./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:39:00,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:39:00,581 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:39:00,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:39:00,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:39:00,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:39:00,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:39:00,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:39:00,619 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:39:00,620 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:39:00,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:39:00,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:39:00,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:39:00,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:39:00,623 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:39:00,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:39:00,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:39:00,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:39:00,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:39:00,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:39:00,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:39:00,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:39:00,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:39:00,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:39:00,626 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:39:00,626 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:39:00,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:39:00,627 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:39:00,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:39:00,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:39:00,627 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:39:00,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:39:00,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:39:00,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:00,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:39:00,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:39:00,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:39:00,629 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:39:00,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:39:00,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:39:00,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:39:00,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:39:00,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:39:00,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:39:00,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:39:00,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:39:00,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:39:00,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:39:00,922 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:39:00,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-17 19:39:02,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:39:02,410 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:39:02,414 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-17 19:39:02,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0296407ea/98e00ad724d04c5e965fcf03326d6ec1/FLAGc3e07961d [2024-09-17 19:39:02,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0296407ea/98e00ad724d04c5e965fcf03326d6ec1 [2024-09-17 19:39:02,442 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:39:02,443 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:39:02,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-17 19:39:02,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:39:02,506 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:39:02,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:02,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:39:02,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:39:02,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:02" (1/2) ... [2024-09-17 19:39:02,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d41e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:02, skipping insertion in model container [2024-09-17 19:39:02,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:02" (1/2) ... [2024-09-17 19:39:02,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11f76f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:02, skipping insertion in model container [2024-09-17 19:39:02,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:02" (2/2) ... [2024-09-17 19:39:02,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d41e40 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:02, skipping insertion in model container [2024-09-17 19:39:02,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:02" (2/2) ... [2024-09-17 19:39:02,529 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:39:02,530 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-17 19:39:02,530 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-17 19:39:02,530 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-17 19:39:02,531 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-17 19:39:02,531 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-17 19:39:02,531 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-17 19:39:02,531 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))) [2024-09-17 19:39:02,531 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-17 19:39:02,531 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-17 19:39:02,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:39:02,706 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] [2024-09-17 19:39:02,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:02,741 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:39:02,761 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 [2024-09-17 19:39:02,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:02,847 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:39:02,848 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:02 WrapperNode [2024-09-17 19:39:02,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:02,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:39:02,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:39:02,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:39:02,860 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,861 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,869 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,893 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]. [2024-09-17 19:39:02,893 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,893 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,903 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,908 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,912 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,916 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:39:02,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:39:02,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:39:02,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:39:02,922 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 17.09 07:39:02" (1/1) ... [2024-09-17 19:39:02,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:02,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:39:02,954 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) [2024-09-17 19:39:02,957 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 [2024-09-17 19:39:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:39:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:39:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:39:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:39:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:39:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:39:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:39:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:39:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:39:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:39:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:39:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:39:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:39:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:39:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-17 19:39:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:39:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-17 19:39:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-17 19:39:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:39:03,108 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:39:03,110 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:39:03,360 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:39:03,416 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:39:03,416 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:39:03,417 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:03 BoogieIcfgContainer [2024-09-17 19:39:03,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:39:03,417 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:39:03,419 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:39:03,420 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:39:03,420 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:39:02" (1/4) ... [2024-09-17 19:39:03,421 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70f18770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:03, skipping insertion in model container [2024-09-17 19:39:03,422 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:02" (2/4) ... [2024-09-17 19:39:03,422 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70f18770 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:39:03, skipping insertion in model container [2024-09-17 19:39:03,422 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 17.09 07:39:02" (3/4) ... [2024-09-17 19:39:03,422 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70f18770 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:39:03, skipping insertion in model container [2024-09-17 19:39:03,423 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:03" (4/4) ... [2024-09-17 19:39:03,424 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-17 19:39:03,427 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:39:03,428 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-17 19:39:03,428 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-17 19:39:03,428 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-17 19:39:03,428 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-17 19:39:03,429 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-17 19:39:03,429 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-17 19:39:03,429 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:39:03,429 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-17 19:39:03,429 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-17 19:39:03,429 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-17 19:39:03,429 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-17 19:39:03,475 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-17 19:39:03,476 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:03,477 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:03,478 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:03,479 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:03,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:03,525 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-17 19:39:03,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:03,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:03,527 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:03,528 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:03,533 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:03,552 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:03,575 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-17 19:39:03,577 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:03,577 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:03,577 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:03,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:03,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:03,643 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-17 19:39:03,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:03,644 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:03,644 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:03,644 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:03,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:03,653 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:03,687 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-17 19:39:03,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:03,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:03,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:03,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:03,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:03,753 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-17 19:39:03,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:03,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:03,757 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:03,757 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:03,759 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:03,762 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:03,774 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-17 19:39:03,774 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:03,774 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:03,774 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:03,774 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:03,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:03,836 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-17 19:39:03,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:03,837 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:03,838 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:03,838 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:03,842 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:03,850 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:03,861 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-17 19:39:03,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:03,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:03,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:03,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:03,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:04,827 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-17 19:39:04,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:04,828 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:04,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:04,829 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:04,896 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:39:04,903 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-17 19:39:04,903 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:04,903 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:04,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:04,904 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:04,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:04,957 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-17 19:39:04,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:04,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:04,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:04,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:04,964 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:04,966 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:04,970 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:39:04,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:04,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:04,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:04,971 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:04,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:04,972 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:39:04,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:04,973 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:04,973 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:04,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:04,974 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:04,975 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:04,980 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-17 19:39:04,981 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:04,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:04,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:04,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:04,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:05,092 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-17 19:39:05,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:05,093 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:05,093 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:05,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:05,102 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:05,104 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:05,109 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-17 19:39:05,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:05,110 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:05,110 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:05,110 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:05,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:06,407 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-17 19:39:06,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:06,410 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:06,411 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:06,411 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:06,508 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-17 19:39:06,509 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) [2024-09-17 19:39:06,515 INFO L158 Benchmark]: Toolchain (without parser) took 4007.44ms. Allocated memory was 153.1MB in the beginning and 996.1MB in the end (delta: 843.1MB). Free memory was 116.5MB in the beginning and 784.4MB in the end (delta: -667.9MB). Peak memory consumption was 284.8MB. Max. memory is 16.1GB. [2024-09-17 19:39:06,517 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 153.1MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:06,518 INFO L158 Benchmark]: Witness Parser took 2.86ms. Allocated memory is still 153.1MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:06,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.23ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 99.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-17 19:39:06,519 INFO L158 Benchmark]: Boogie Preprocessor took 68.83ms. Allocated memory is still 153.1MB. Free memory was 99.6MB in the beginning and 97.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:39:06,520 INFO L158 Benchmark]: RCFGBuilder took 498.71ms. Allocated memory is still 153.1MB. Free memory was 97.0MB in the beginning and 98.1MB in the end (delta: -1.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-17 19:39:06,521 INFO L158 Benchmark]: Referee took 3095.49ms. Allocated memory was 153.1MB in the beginning and 996.1MB in the end (delta: 843.1MB). Free memory was 98.1MB in the beginning and 784.4MB in the end (delta: -686.3MB). Peak memory consumption was 269.7MB. Max. memory is 16.1GB. [2024-09-17 19:39:06,523 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 0.18ms. Allocated memory is still 153.1MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 2.86ms. Allocated memory is still 153.1MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.23ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 99.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.83ms. Allocated memory is still 153.1MB. Free memory was 99.6MB in the beginning and 97.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.71ms. Allocated memory is still 153.1MB. Free memory was 97.0MB in the beginning and 98.1MB in the end (delta: -1.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 3095.49ms. Allocated memory was 153.1MB in the beginning and 996.1MB in the end (delta: 843.1MB). Free memory was 98.1MB in the beginning and 784.4MB in the end (delta: -686.3MB). Peak memory consumption was 269.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:39:06,546 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:39:08,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:39:08,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:39:08,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:39:08,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:39:08,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:39:08,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:39:08,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:39:08,619 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:39:08,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:39:08,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:39:08,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:39:08,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:39:08,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:39:08,620 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:39:08,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:39:08,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:39:08,621 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:39:08,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:39:08,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:39:08,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:39:08,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:39:08,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:39:08,626 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:39:08,626 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:39:08,626 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:39:08,627 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:39:08,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:39:08,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:39:08,627 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:39:08,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:39:08,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:39:08,627 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:39:08,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:39:08,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:39:08,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:08,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:39:08,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:39:08,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:39:08,628 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:39:08,628 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:39:08,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:39:08,629 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:39:08,629 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:39:08,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:39:08,630 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:39:08,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:39:08,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:39:08,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:39:08,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:39:08,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:39:08,931 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:39:08,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-17 19:39:10,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:39:10,478 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:39:10,479 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-17 19:39:10,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7f9fabb3d/265a6e9b756341cbb192f2076acb56e4/FLAG9846dfdf6 [2024-09-17 19:39:10,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7f9fabb3d/265a6e9b756341cbb192f2076acb56e4 [2024-09-17 19:39:10,503 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:39:10,503 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:39:10,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-17 19:39:10,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:39:10,561 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:39:10,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:10,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:39:10,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:39:10,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:10" (1/2) ... [2024-09-17 19:39:10,567 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 17.09 07:39:10, skipping insertion in model container [2024-09-17 19:39:10,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:10" (1/2) ... [2024-09-17 19:39:10,568 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 17.09 07:39:10, skipping insertion in model container [2024-09-17 19:39:10,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:10" (2/2) ... [2024-09-17 19:39:10,569 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 17.09 07:39:10, skipping insertion in model container [2024-09-17 19:39:10,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:10" (2/2) ... [2024-09-17 19:39:10,583 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:39:10,583 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-17 19:39:10,584 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))) [2024-09-17 19:39:10,584 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-17 19:39:10,584 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-17 19:39:10,584 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-17 19:39:10,584 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-17 19:39:10,584 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-17 19:39:10,584 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-17 19:39:10,584 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-17 19:39:10,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:39:10,743 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] [2024-09-17 19:39:10,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:10,762 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:39:10,780 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 [2024-09-17 19:39:10,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:10,878 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:39:10,879 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:10 WrapperNode [2024-09-17 19:39:10,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:10,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:39:10,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:39:10,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:39:10,892 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,892 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,905 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,929 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]. [2024-09-17 19:39:10,930 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,930 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,947 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,950 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,956 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,957 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:39:10,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:39:10,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:39:10,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:39:10,962 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 17.09 07:39:10" (1/1) ... [2024-09-17 19:39:10,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:10,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:39:10,987 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) [2024-09-17 19:39:10,994 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 [2024-09-17 19:39:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:39:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:39:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:39:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:39:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:39:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:39:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:39:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:39:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:39:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:39:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:39:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:39:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:39:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:39:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-17 19:39:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:39:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-17 19:39:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-17 19:39:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:39:11,094 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:39:11,096 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:39:11,421 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:39:11,488 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:39:11,488 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:39:11,489 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:11 BoogieIcfgContainer [2024-09-17 19:39:11,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:39:11,491 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:39:11,491 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:39:11,492 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:39:11,503 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:39:10" (1/4) ... [2024-09-17 19:39:11,503 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 17.09 07:39:11, skipping insertion in model container [2024-09-17 19:39:11,504 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:39:10" (2/4) ... [2024-09-17 19:39:11,505 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 17.09 07:39:11, skipping insertion in model container [2024-09-17 19:39:11,505 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 17.09 07:39:10" (3/4) ... [2024-09-17 19:39:11,505 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 17.09 07:39:11, skipping insertion in model container [2024-09-17 19:39:11,505 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:11" (4/4) ... [2024-09-17 19:39:11,506 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-17 19:39:11,510 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:39:11,511 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-17 19:39:11,512 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-17 19:39:11,512 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-17 19:39:11,512 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-17 19:39:11,512 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-17 19:39:11,513 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-17 19:39:11,513 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:39:11,513 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-17 19:39:11,514 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-17 19:39:11,514 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-17 19:39:11,514 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-17 19:39:11,564 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-17 19:39:11,565 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:11,565 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:11,566 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:11,567 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:11,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:11,615 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-17 19:39:11,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:11,617 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:11,617 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:11,618 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:11,622 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:11,637 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:11,669 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-17 19:39:11,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:11,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:11,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:11,670 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:11,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:11,775 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-17 19:39:11,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:11,777 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:11,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:11,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:11,784 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:11,790 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:11,821 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-17 19:39:11,822 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:11,822 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:11,822 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:11,823 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:11,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:11,856 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-17 19:39:11,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:11,857 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:11,857 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:11,857 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:11,859 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:11,862 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:11,882 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-17 19:39:11,882 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:11,882 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:11,882 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:11,882 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:11,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:11,987 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-17 19:39:11,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:11,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:11,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:11,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:12,000 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:12,003 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:12,022 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-17 19:39:12,023 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:12,023 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:12,023 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:12,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:12,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:13,869 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-17 19:39:13,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:13,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:13,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:13,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:13,944 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:39:13,954 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-17 19:39:13,955 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:13,955 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:13,955 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:13,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:13,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:14,033 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-17 19:39:14,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:14,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:14,035 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:14,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:14,039 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:14,041 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:14,050 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:39:14,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:14,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:14,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:14,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:14,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:14,053 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:39:14,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:14,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:14,054 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:14,054 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:14,054 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:14,056 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:14,067 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-17 19:39:14,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:14,068 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:14,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:14,068 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:14,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:14,232 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-17 19:39:14,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:14,234 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:14,234 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:14,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:14,244 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:14,247 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:14,259 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-17 19:39:14,259 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:14,259 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:14,259 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:14,260 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:14,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:16,637 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-17 19:39:16,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:16,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:16,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:16,640 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:16,761 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-17 19:39:16,762 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) [2024-09-17 19:39:16,766 INFO L158 Benchmark]: Toolchain (without parser) took 6204.15ms. Allocated memory was 67.1MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 38.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 581.0MB. Max. memory is 16.1GB. [2024-09-17 19:39:16,766 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:16,766 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:16,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.25ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 38.2MB in the beginning and 55.7MB in the end (delta: -17.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-09-17 19:39:16,767 INFO L158 Benchmark]: Boogie Preprocessor took 80.39ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 52.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:39:16,768 INFO L158 Benchmark]: RCFGBuilder took 528.81ms. Allocated memory is still 83.9MB. Free memory was 52.8MB in the beginning and 34.7MB in the end (delta: 18.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-09-17 19:39:16,768 INFO L158 Benchmark]: Referee took 5273.93ms. Allocated memory was 83.9MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 34.7MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 560.9MB. Max. memory is 16.1GB. [2024-09-17 19:39:16,770 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 1.07ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.25ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 38.2MB in the beginning and 55.7MB in the end (delta: -17.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.39ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 52.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.81ms. Allocated memory is still 83.9MB. Free memory was 52.8MB in the beginning and 34.7MB in the end (delta: 18.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Referee took 5273.93ms. Allocated memory was 83.9MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 34.7MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 560.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:39:16,798 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug