./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 fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-fb1cb0b-m [2024-09-25 11:46:00,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:00,127 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:46:00,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:00,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:00,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:00,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:00,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:00,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:00,158 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:00,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:00,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:00,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:00,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:00,159 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:00,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:00,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:00,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:00,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:46:00,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:00,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:00,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:00,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:00,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:00,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:00,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:00,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:00,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:00,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:00,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:00,164 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:00,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:00,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:00,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:00,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:00,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:00,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:00,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:46:00,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:46:00,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:00,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:00,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:00,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:00,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:00,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:00,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:00,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:00,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:00,400 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:00,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-25 11:46:01,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:01,735 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:01,736 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-25 11:46:01,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4d83a25c9/4a69b24828ce49ba88d691edf3cfbf66/FLAG144ee356e [2024-09-25 11:46:01,754 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4d83a25c9/4a69b24828ce49ba88d691edf3cfbf66 [2024-09-25 11:46:01,756 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:01,757 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:01,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-25 11:46:01,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:01,805 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:01,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:01,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:01,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:01,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:01" (1/2) ... [2024-09-25 11:46:01,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cfb90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:01, skipping insertion in model container [2024-09-25 11:46:01,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:01" (1/2) ... [2024-09-25 11:46:01,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d9093bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:01, skipping insertion in model container [2024-09-25 11:46:01,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:01" (2/2) ... [2024-09-25 11:46:01,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cfb90d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:01, skipping insertion in model container [2024-09-25 11:46:01,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:01" (2/2) ... [2024-09-25 11:46:01,827 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:01,828 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-25 11:46:01,828 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))) [2024-09-25 11:46:01,828 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-25 11:46:01,828 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-25 11:46:01,828 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-25 11:46:01,829 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-25 11:46:01,829 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-25 11:46:01,829 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-25 11:46:01,829 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-25 11:46:01,829 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-09-25 11:46:01,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:01,963 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] [2024-09-25 11:46:01,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:01,979 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-25 11:46:02,010 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 [2024-09-25 11:46:02,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:02,063 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:02,063 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:02 WrapperNode [2024-09-25 11:46:02,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:02,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:02,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:02,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:02,074 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,074 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,082 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,096 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:46:02,097 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,097 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,110 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,112 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,116 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,117 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:02,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:02,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:02,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:02,123 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 25.09 11:46:02" (1/1) ... [2024-09-25 11:46:02,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:02,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:02,173 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) [2024-09-25 11:46:02,189 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 [2024-09-25 11:46:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:46:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:46:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:46:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:46:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:46:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:46:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:02,293 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:02,296 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:02,556 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:02,597 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:02,598 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:46:02,598 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:02 BoogieIcfgContainer [2024-09-25 11:46:02,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:02,599 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:02,599 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:02,599 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:02,600 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:01" (1/4) ... [2024-09-25 11:46:02,600 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e91ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:02, skipping insertion in model container [2024-09-25 11:46:02,600 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:01" (2/4) ... [2024-09-25 11:46:02,600 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e91ecb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:02, skipping insertion in model container [2024-09-25 11:46:02,600 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 25.09 11:46:02" (3/4) ... [2024-09-25 11:46:02,600 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e91ecb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:02, skipping insertion in model container [2024-09-25 11:46:02,600 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:02" (4/4) ... [2024-09-25 11:46:02,601 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-25 11:46:02,604 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:46:02,604 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-25 11:46:02,604 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-25 11:46:02,604 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-25 11:46:02,605 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-25 11:46:02,605 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-25 11:46:02,605 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-25 11:46:02,605 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:46:02,606 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-25 11:46:02,607 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-25 11:46:02,607 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-25 11:46:02,607 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 54 edges. [2024-09-25 11:46:02,607 INFO L131 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-25 11:46:02,653 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-25 11:46:02,656 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:02,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:02,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:02,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:02,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:02,692 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-25 11:46:02,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:02,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:02,693 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:02,693 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:02,698 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:02,714 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:02,732 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-25 11:46:02,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:02,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:02,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:02,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:02,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:02,784 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-25 11:46:02,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:02,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:02,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:02,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:02,789 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:02,797 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:02,814 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-25 11:46:02,815 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:02,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:02,815 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:02,816 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:02,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:02,841 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-25 11:46:02,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:02,842 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:02,842 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:02,842 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:02,861 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:02,863 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:02,876 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-25 11:46:02,876 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:02,876 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:02,876 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:02,876 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:02,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:02,924 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-25 11:46:02,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:02,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:02,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:02,925 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:02,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:02,931 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:02,945 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-25 11:46:02,945 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:02,945 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:02,945 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:02,945 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:02,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,819 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-25 11:46:03,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,821 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:03,821 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:03,821 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:03,890 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 11:46:03,899 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-25 11:46:03,899 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:03,899 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:03,899 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:03,900 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:03,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,972 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-25 11:46:03,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,973 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:03,973 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:03,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:03,978 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:03,982 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:03,991 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:03,992 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:03,992 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:03,992 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:03,992 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:03,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,996 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:46:03,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,996 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:03,997 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:03,997 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:03,997 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:04,002 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:04,010 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-25 11:46:04,011 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:04,012 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:04,012 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:04,012 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:04,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:04,100 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-25 11:46:04,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:04,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:04,102 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:04,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:04,130 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:04,132 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:04,140 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-25 11:46:04,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:04,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:04,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:04,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:04,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:05,253 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-25 11:46:05,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:05,256 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:05,257 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:05,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:05,337 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 11:46:05,338 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) [2024-09-25 11:46:05,342 INFO L158 Benchmark]: Toolchain (without parser) took 3536.30ms. Allocated memory was 180.4MB in the beginning and 610.3MB in the end (delta: 429.9MB). Free memory was 112.3MB in the beginning and 259.7MB in the end (delta: -147.4MB). Peak memory consumption was 368.6MB. Max. memory is 16.1GB. [2024-09-25 11:46:05,343 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:05,343 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 180.4MB. Free memory was 114.6MB in the beginning and 114.4MB in the end (delta: 216.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:05,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.38ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 95.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:46:05,344 INFO L158 Benchmark]: Boogie Preprocessor took 54.44ms. Allocated memory is still 180.4MB. Free memory was 95.3MB in the beginning and 93.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:05,345 INFO L158 Benchmark]: RCFGBuilder took 479.54ms. Allocated memory is still 180.4MB. Free memory was 92.8MB in the beginning and 124.0MB in the end (delta: -31.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-09-25 11:46:05,346 INFO L158 Benchmark]: Referee took 2741.86ms. Allocated memory was 180.4MB in the beginning and 610.3MB in the end (delta: 429.9MB). Free memory was 123.4MB in the beginning and 259.7MB in the end (delta: -136.3MB). Peak memory consumption was 380.7MB. Max. memory is 16.1GB. [2024-09-25 11:46:05,347 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 0.13ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 180.4MB. Free memory was 114.6MB in the beginning and 114.4MB in the end (delta: 216.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.38ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 95.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.44ms. Allocated memory is still 180.4MB. Free memory was 95.3MB in the beginning and 93.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.54ms. Allocated memory is still 180.4MB. Free memory was 92.8MB in the beginning and 124.0MB in the end (delta: -31.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Referee took 2741.86ms. Allocated memory was 180.4MB in the beginning and 610.3MB in the end (delta: 429.9MB). Free memory was 123.4MB in the beginning and 259.7MB in the end (delta: -136.3MB). Peak memory consumption was 380.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:46:05,368 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/11.0.12-open/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-fb1cb0b-m [2024-09-25 11:46:07,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:07,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:46:07,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:07,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:07,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:07,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:07,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:07,212 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:07,212 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:07,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:07,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:07,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:07,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:07,213 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:07,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:07,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:07,214 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:07,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:07,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:07,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:07,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:07,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:07,220 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:46:07,220 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:46:07,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:07,222 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:46:07,222 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:07,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:07,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:07,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:07,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:07,223 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:07,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:07,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:07,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:07,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:07,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:07,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:07,225 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:46:07,225 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:46:07,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:07,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:07,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:07,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:07,226 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:46:07,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:07,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:07,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:07,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:07,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:07,501 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:07,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-25 11:46:08,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:08,890 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:08,890 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.c.i.p+lhb-reducer.c [2024-09-25 11:46:08,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fba4dda86/ef100dc4327a498093df1e6357ccaf72/FLAGd2edca422 [2024-09-25 11:46:08,913 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fba4dda86/ef100dc4327a498093df1e6357ccaf72 [2024-09-25 11:46:08,915 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:08,915 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:08,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.c.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-25 11:46:08,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:08,975 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:08,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:08,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:08,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:08,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:08" (1/2) ... [2024-09-25 11:46:08,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8fe71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:08, skipping insertion in model container [2024-09-25 11:46:08,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:08" (1/2) ... [2024-09-25 11:46:08,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@783473e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:08, skipping insertion in model container [2024-09-25 11:46:08,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:08" (2/2) ... [2024-09-25 11:46:08,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8fe71b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:08, skipping insertion in model container [2024-09-25 11:46:08,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:08" (2/2) ... [2024-09-25 11:46:09,001 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:09,005 INFO L1541 ArrayList]: Location invariant before [L41-L165] (((main__y == 50) && (main__x <= 4)) && (\old(__return_720) == __return_720)) [2024-09-25 11:46:09,005 INFO L1541 ArrayList]: Location invariant before [L23-L201] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 1)) [2024-09-25 11:46:09,006 INFO L1541 ArrayList]: Location invariant before [L53-L141] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 6)) [2024-09-25 11:46:09,006 INFO L1541 ArrayList]: Location invariant before [L59-L129] (((main__x <= 7) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-25 11:46:09,006 INFO L1541 ArrayList]: Location invariant before [L35-L177] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 3)) [2024-09-25 11:46:09,006 INFO L1541 ArrayList]: Location invariant before [L65-L117] (((main__x <= 8) && (main__y == 50)) && (\old(__return_720) == __return_720)) [2024-09-25 11:46:09,006 INFO L1541 ArrayList]: Location invariant before [L47-L153] (((main__y == 50) && (\old(__return_720) == __return_720)) && (main__x <= 5)) [2024-09-25 11:46:09,006 INFO L1541 ArrayList]: Location invariant before [L29-L189] (((main__y == 50) && (main__x <= 2)) && (\old(__return_720) == __return_720)) [2024-09-25 11:46:09,006 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))) [2024-09-25 11:46:09,007 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-09-25 11:46:09,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:09,170 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] [2024-09-25 11:46:09,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:09,202 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-25 11:46:09,247 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 [2024-09-25 11:46:09,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:09,303 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:09,304 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:09 WrapperNode [2024-09-25 11:46:09,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:09,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:09,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:09,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:09,315 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,316 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,327 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,345 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:46:09,345 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,345 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,356 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,362 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,365 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,370 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:09,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:09,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:09,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:09,377 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 25.09 11:46:09" (1/1) ... [2024-09-25 11:46:09,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:09,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:09,404 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) [2024-09-25 11:46:09,407 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 [2024-09-25 11:46:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:46:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:46:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:46:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:09,511 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:09,514 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:09,823 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:09,880 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:09,881 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:46:09,882 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:09 BoogieIcfgContainer [2024-09-25 11:46:09,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:09,883 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:09,883 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:09,884 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:09,884 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:08" (1/4) ... [2024-09-25 11:46:09,885 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b658a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:09, skipping insertion in model container [2024-09-25 11:46:09,885 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:08" (2/4) ... [2024-09-25 11:46:09,886 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b658a1c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:09, skipping insertion in model container [2024-09-25 11:46:09,886 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 25.09 11:46:09" (3/4) ... [2024-09-25 11:46:09,886 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b658a1c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:09, skipping insertion in model container [2024-09-25 11:46:09,886 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:09" (4/4) ... [2024-09-25 11:46:09,887 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.c.i.p+lhb-reducer.c [2024-09-25 11:46:09,889 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:46:09,890 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-25 11:46:09,890 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-25 11:46:09,890 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-25 11:46:09,891 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-25 11:46:09,891 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-25 11:46:09,891 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 29 edges. [2024-09-25 11:46:09,891 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:46:09,891 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-25 11:46:09,892 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-25 11:46:09,892 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-25 11:46:09,892 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 54 edges. [2024-09-25 11:46:09,893 INFO L131 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-25 11:46:09,945 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-25 11:46:09,946 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:09,946 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:09,948 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:09,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:09,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:09,990 INFO L101 BaseMinimizeStates]: Removed 40 edges and 9 locations by large block encoding [2024-09-25 11:46:09,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:09,992 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:09,992 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:09,993 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:09,995 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:10,011 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:10,031 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2024-09-25 11:46:10,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:10,032 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:10,032 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:10,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:10,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:10,118 INFO L101 BaseMinimizeStates]: Removed 144 edges and 15 locations by large block encoding [2024-09-25 11:46:10,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:10,119 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:10,120 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:10,120 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:10,123 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:10,128 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:10,144 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 17 edges [2024-09-25 11:46:10,145 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:10,146 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:10,146 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:10,146 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:10,146 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:10,176 INFO L101 BaseMinimizeStates]: Removed 76 edges and 12 locations by large block encoding [2024-09-25 11:46:10,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:10,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:10,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:10,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:10,179 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:10,182 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:10,205 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 25 edges [2024-09-25 11:46:10,205 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:10,205 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:10,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:10,206 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:10,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:10,292 INFO L101 BaseMinimizeStates]: Removed 276 edges and 18 locations by large block encoding [2024-09-25 11:46:10,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:10,293 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:10,293 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:10,293 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:10,297 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:10,300 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:10,312 INFO L314 BlockEncoder]: Initial Icfg 33 locations, 43 edges [2024-09-25 11:46:10,312 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:10,313 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:10,313 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:10,313 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:10,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:11,789 INFO L101 BaseMinimizeStates]: Removed 2089 edges and 30 locations by large block encoding [2024-09-25 11:46:11,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:11,793 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:11,793 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:11,793 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:11,866 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 11:46:11,879 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-25 11:46:11,879 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:11,879 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:11,879 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:11,880 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:11,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:11,990 INFO L101 BaseMinimizeStates]: Removed 536 edges and 21 locations by large block encoding [2024-09-25 11:46:11,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:11,991 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:11,991 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:11,992 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:11,998 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:12,001 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:12,013 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:12,013 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:12,013 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:12,013 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:12,013 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:12,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:12,016 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:46:12,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:12,016 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:12,016 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:12,016 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:12,017 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:12,021 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:12,030 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 33 edges [2024-09-25 11:46:12,030 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:12,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:12,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:12,031 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:12,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:12,199 INFO L101 BaseMinimizeStates]: Removed 1052 edges and 24 locations by large block encoding [2024-09-25 11:46:12,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:12,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:12,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:12,201 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:12,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:12,223 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:12,235 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 41 edges [2024-09-25 11:46:12,235 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:12,236 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:12,236 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:12,236 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:12,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:14,673 INFO L101 BaseMinimizeStates]: Removed 2088 edges and 28 locations by large block encoding [2024-09-25 11:46:14,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:14,676 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:14,676 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:14,677 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:14,799 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 11:46:14,800 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) [2024-09-25 11:46:14,803 INFO L158 Benchmark]: Toolchain (without parser) took 5827.40ms. Allocated memory was 100.7MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 72.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 581.6MB. Max. memory is 16.1GB. [2024-09-25 11:46:14,804 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:14,804 INFO L158 Benchmark]: Witness Parser took 0.54ms. Allocated memory is still 100.7MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:14,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.99ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 54.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:46:14,805 INFO L158 Benchmark]: Boogie Preprocessor took 70.87ms. Allocated memory is still 100.7MB. Free memory was 54.8MB in the beginning and 52.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 11:46:14,805 INFO L158 Benchmark]: RCFGBuilder took 505.64ms. Allocated memory is still 100.7MB. Free memory was 51.9MB in the beginning and 41.9MB in the end (delta: 10.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-09-25 11:46:14,805 INFO L158 Benchmark]: Referee took 4919.26ms. Allocated memory was 100.7MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 41.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 551.4MB. Max. memory is 16.1GB. [2024-09-25 11:46:14,807 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 0.16ms. Allocated memory is still 67.1MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.54ms. Allocated memory is still 100.7MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.99ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 54.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.87ms. Allocated memory is still 100.7MB. Free memory was 54.8MB in the beginning and 52.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 505.64ms. Allocated memory is still 100.7MB. Free memory was 51.9MB in the beginning and 41.9MB in the end (delta: 10.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Referee took 4919.26ms. Allocated memory was 100.7MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 41.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 551.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:46:14,829 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