./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-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-invgen/apache-get-tag.i.p+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-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 11:45:43,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:43,908 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:45:43,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:43,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:43,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:43,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:43,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:43,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:43,955 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:43,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:43,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:43,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:43,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:43,959 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:43,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:43,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:43,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:43,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:45:43,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:43,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:43,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:43,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:43,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:43,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:43,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:43,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:43,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:43,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:43,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:43,966 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:43,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:43,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:43,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:43,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:43,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:43,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:43,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:45:43,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:45:43,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:43,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:43,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:43,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:43,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:44,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:44,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:44,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:44,290 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:44,291 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:44,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-25 11:45:44,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:44,356 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:44,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-25 11:45:45,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:46,095 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:46,095 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-25 11:45:46,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/736a54f4c/08741d3eee1e4e18b4af7a96a52d0a8e/FLAG140e88893 [2024-09-25 11:45:46,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/736a54f4c/08741d3eee1e4e18b4af7a96a52d0a8e [2024-09-25 11:45:46,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:46,135 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:46,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:46,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:46,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:46,144 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 11:45:44" (1/2) ... [2024-09-25 11:45:46,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bff2f3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:46, skipping insertion in model container [2024-09-25 11:45:46,145 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 11:45:44" (1/2) ... [2024-09-25 11:45:46,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ba6eb5a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:46, skipping insertion in model container [2024-09-25 11:45:46,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:46" (2/2) ... [2024-09-25 11:45:46,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bff2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:46, skipping insertion in model container [2024-09-25 11:45:46,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:46" (2/2) ... [2024-09-25 11:45:46,215 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:46,216 INFO L1541 ArrayList]: Location invariant before [L360-L554] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:46,216 INFO L1541 ArrayList]: Location invariant before [L335-L335] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:46,216 INFO L1541 ArrayList]: Location invariant before [L264-L599] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:46,216 INFO L1541 ArrayList]: Location invariant before [L31-L5293] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-25 11:45:46,216 INFO L1541 ArrayList]: Location invariant before [L4665-L4938] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-25 11:45:46,216 INFO L1541 ArrayList]: Location invariant before [L4734-L4921] ((61 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-25 11:45:46,216 INFO L1541 ArrayList]: Location invariant before [L68-L5292] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:46,217 INFO L1541 ArrayList]: Location invariant before [L404-L552] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:46,217 INFO L1541 ArrayList]: Location invariant before [L128-L645] (((((((((((__tmp_148_0 == \old(__tmp_148_0)) && (\old(__tmp_179_1) == __tmp_179_1)) && (\old(__tmp_218_0) == __tmp_218_0)) && (0 <= main__t)) && (__tmp_2390_0 == \old(__tmp_2390_0))) && (\old(__tmp_179_2) == __tmp_179_2)) && (__tmp_109_1 == \old(__tmp_109_1))) && (__tmp_109_0 == \old(__tmp_109_0))) && (\old(__return_2583) == __return_2583)) && (__tmp_2390_1 == \old(__tmp_2390_1))) && (\old(__tmp_179_0) == __tmp_179_0)) [2024-09-25 11:45:46,217 INFO L1541 ArrayList]: Location invariant before [L475-L475] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:46,217 INFO L1541 ArrayList]: Location invariant before [L4770-L4920] ((((long long) main__t + 1) <= main__tagbuf_len) && (61 <= main__t)) [2024-09-25 11:45:46,217 INFO L1541 ArrayList]: Function contract at [L22]: requires null, ensures (__return_main == \old(__return_main)) [2024-09-25 11:45:46,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:46,476 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-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-25 11:45:46,486 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-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2024-09-25 11:45:46,856 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-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-25 11:45:46,860 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-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-25 11:45:46,866 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-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-25 11:45:46,873 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-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-25 11:45:46,878 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-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-25 11:45:46,883 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-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-25 11:45:46,888 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-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-25 11:45:46,893 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-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-25 11:45:46,902 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-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-25 11:45:46,911 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-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-25 11:45:46,915 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-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-25 11:45:46,919 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-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-25 11:45:46,925 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-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-25 11:45:46,928 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-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2024-09-25 11:45:46,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:47,003 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-25 11:45:47,080 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-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-25 11:45:47,081 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-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:45:47,256 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-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-25 11:45:47,260 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-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-25 11:45:47,264 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-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-25 11:45:47,267 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-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-25 11:45:47,270 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-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-25 11:45:47,272 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-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-25 11:45:47,275 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-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-25 11:45:47,278 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-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-25 11:45:47,281 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-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-25 11:45:47,284 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-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-25 11:45:47,286 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-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-25 11:45:47,289 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-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-25 11:45:47,292 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-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-25 11:45:47,294 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-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:45:47,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:47,331 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:45:47,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47 WrapperNode [2024-09-25 11:45:47,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:47,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:45:47,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:45:47,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:45:47,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,431 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 11:45:47,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:45:47,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:45:47,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:45:47,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:45:47,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (1/1) ... [2024-09-25 11:45:47,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:47,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:45:47,588 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 11:45:47,593 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 11:45:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:45:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:45:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:45:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:45:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:45:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:45:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:45:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:45:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:45:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:45:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:45:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:45:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:45:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:45:47,914 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:45:47,916 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:45:49,337 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:45:49,398 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:45:49,398 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:45:49,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:49 BoogieIcfgContainer [2024-09-25 11:45:49,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:45:49,399 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:45:49,400 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:45:49,401 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:45:49,401 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 11:45:44" (1/4) ... [2024-09-25 11:45:49,402 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29087cf8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:49, skipping insertion in model container [2024-09-25 11:45:49,405 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:46" (2/4) ... [2024-09-25 11:45:49,406 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29087cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:49, skipping insertion in model container [2024-09-25 11:45:49,406 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47" (3/4) ... [2024-09-25 11:45:49,406 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29087cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:49, skipping insertion in model container [2024-09-25 11:45:49,406 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:49" (4/4) ... [2024-09-25 11:45:49,408 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2024-09-25 11:45:49,412 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:45:49,413 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:45:49,413 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:45:49,414 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-25 11:45:49,415 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 444 edges. [2024-09-25 11:45:49,416 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-25 11:45:49,417 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-25 11:45:49,417 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr23ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-25 11:45:49,418 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-25 11:45:49,419 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-25 11:45:49,420 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-25 11:45:49,420 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-25 11:45:49,420 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr26ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-25 11:45:49,421 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:45:49,421 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 451 edges. [2024-09-25 11:45:49,422 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-25 11:45:49,422 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr22ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-25 11:45:49,423 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr27ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 896 edges. [2024-09-25 11:45:49,424 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-25 11:45:49,425 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 252 edges. [2024-09-25 11:45:49,425 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 437 edges. [2024-09-25 11:45:49,426 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-25 11:45:49,426 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr24ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-25 11:45:49,427 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-25 11:45:49,427 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr25ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-25 11:45:49,427 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 253 edges. [2024-09-25 11:45:49,428 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-25 11:45:49,428 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-25 11:45:49,429 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-25 11:45:49,429 INFO L131 InvariantChecker]: Will check 28 loop-free subgraphs from procedure entry to error location [2024-09-25 11:45:49,576 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:45:49,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:49,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:49,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:49,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:49,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:49,603 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:45:49,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:49,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:49,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:49,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:49,605 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:49,628 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:49,706 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:45:49,706 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:49,707 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:49,708 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:49,708 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:49,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:49,713 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:45:49,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:49,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:49,714 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:49,714 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:49,715 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:49,720 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:49,833 INFO L314 BlockEncoder]: Initial Icfg 254 locations, 314 edges [2024-09-25 11:45:49,833 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:49,833 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:49,834 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:49,834 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:49,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:53,709 INFO L101 BaseMinimizeStates]: Removed 1124 edges and 251 locations by large block encoding [2024-09-25 11:45:53,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:53,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:53,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:53,711 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:54,318 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 11:45:54,319 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 11:45:54,324 INFO L158 Benchmark]: Toolchain (without parser) took 8188.49ms. Allocated memory was 172.0MB in the beginning and 830.5MB in the end (delta: 658.5MB). Free memory was 137.4MB in the beginning and 387.1MB in the end (delta: -249.7MB). Peak memory consumption was 429.4MB. Max. memory is 16.1GB. [2024-09-25 11:45:54,325 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:54,325 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:54,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1195.39ms. Allocated memory is still 172.0MB. Free memory was 137.0MB in the beginning and 95.8MB in the end (delta: 41.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:54,326 INFO L158 Benchmark]: Boogie Preprocessor took 220.79ms. Allocated memory is still 172.0MB. Free memory was 95.8MB in the beginning and 83.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:45:54,327 INFO L158 Benchmark]: RCFGBuilder took 1844.25ms. Allocated memory was 172.0MB in the beginning and 226.5MB in the end (delta: 54.5MB). Free memory was 83.2MB in the beginning and 105.5MB in the end (delta: -22.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-09-25 11:45:54,327 INFO L158 Benchmark]: Referee took 4923.31ms. Allocated memory was 226.5MB in the beginning and 830.5MB in the end (delta: 604.0MB). Free memory was 105.5MB in the beginning and 387.1MB in the end (delta: -281.6MB). Peak memory consumption was 342.3MB. Max. memory is 16.1GB. [2024-09-25 11:45:54,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1195.39ms. Allocated memory is still 172.0MB. Free memory was 137.0MB in the beginning and 95.8MB in the end (delta: 41.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 220.79ms. Allocated memory is still 172.0MB. Free memory was 95.8MB in the beginning and 83.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1844.25ms. Allocated memory was 172.0MB in the beginning and 226.5MB in the end (delta: 54.5MB). Free memory was 83.2MB in the beginning and 105.5MB in the end (delta: -22.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Referee took 4923.31ms. Allocated memory was 226.5MB in the beginning and 830.5MB in the end (delta: 604.0MB). Free memory was 105.5MB in the beginning and 387.1MB in the end (delta: -281.6MB). Peak memory consumption was 342.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:45:54,358 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 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-invgen/apache-get-tag.i.p+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-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 11:45:56,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:56,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:45:56,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:56,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:56,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:56,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:56,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:56,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:56,738 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:56,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:56,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:56,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:56,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:56,740 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:56,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:56,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:56,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:56,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:56,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:56,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:56,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:56,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:56,748 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:45:56,748 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:45:56,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:56,749 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:45:56,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:56,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:56,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:56,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:56,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:56,751 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:56,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:56,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:56,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:56,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:56,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:56,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:56,753 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:45:56,754 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:45:56,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:56,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:56,755 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:56,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:56,755 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:45:56,755 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:57,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:57,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:57,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:57,112 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:57,112 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:57,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-25 11:45:57,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:57,180 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:57,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-25 11:45:58,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:59,075 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:59,076 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-25 11:45:59,099 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/96b18dbee/13f0571bc11f4c318e6878e469bd6291/FLAG047f6235f [2024-09-25 11:45:59,321 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/96b18dbee/13f0571bc11f4c318e6878e469bd6291 [2024-09-25 11:45:59,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:59,334 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:59,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:59,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:59,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:59,343 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 11:45:57" (1/2) ... [2024-09-25 11:45:59,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4404d579 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:59, skipping insertion in model container [2024-09-25 11:45:59,348 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 11:45:57" (1/2) ... [2024-09-25 11:45:59,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51f092ef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:59, skipping insertion in model container [2024-09-25 11:45:59,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:59" (2/2) ... [2024-09-25 11:45:59,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4404d579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:59, skipping insertion in model container [2024-09-25 11:45:59,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:59" (2/2) ... [2024-09-25 11:45:59,413 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:59,414 INFO L1541 ArrayList]: Location invariant before [L335-L335] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:59,414 INFO L1541 ArrayList]: Location invariant before [L360-L554] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:59,414 INFO L1541 ArrayList]: Location invariant before [L4665-L4938] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-25 11:45:59,414 INFO L1541 ArrayList]: Location invariant before [L4770-L4920] ((((long long) main__t + 1) <= main__tagbuf_len) && (61 <= main__t)) [2024-09-25 11:45:59,414 INFO L1541 ArrayList]: Location invariant before [L68-L5292] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:59,414 INFO L1541 ArrayList]: Location invariant before [L475-L475] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:59,414 INFO L1541 ArrayList]: Location invariant before [L31-L5293] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-25 11:45:59,415 INFO L1541 ArrayList]: Location invariant before [L4734-L4921] ((61 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-25 11:45:59,415 INFO L1541 ArrayList]: Location invariant before [L128-L645] (((((((((((__tmp_148_0 == \old(__tmp_148_0)) && (\old(__tmp_179_1) == __tmp_179_1)) && (\old(__tmp_218_0) == __tmp_218_0)) && (0 <= main__t)) && (__tmp_2390_0 == \old(__tmp_2390_0))) && (\old(__tmp_179_2) == __tmp_179_2)) && (__tmp_109_1 == \old(__tmp_109_1))) && (__tmp_109_0 == \old(__tmp_109_0))) && (\old(__return_2583) == __return_2583)) && (__tmp_2390_1 == \old(__tmp_2390_1))) && (\old(__tmp_179_0) == __tmp_179_0)) [2024-09-25 11:45:59,415 INFO L1541 ArrayList]: Location invariant before [L264-L599] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:59,415 INFO L1541 ArrayList]: Location invariant before [L404-L552] (0 < ((long long) main__t + 1)) [2024-09-25 11:45:59,415 INFO L1541 ArrayList]: Function contract at [L22]: requires null, ensures (__return_main == \old(__return_main)) [2024-09-25 11:45:59,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:59,668 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-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-25 11:45:59,673 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-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2024-09-25 11:46:00,045 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-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-25 11:46:00,052 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-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-25 11:46:00,056 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-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-25 11:46:00,076 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-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-25 11:46:00,080 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-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-25 11:46:00,085 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-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-25 11:46:00,090 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-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-25 11:46:00,095 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-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-25 11:46:00,103 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-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-25 11:46:00,107 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-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-25 11:46:00,110 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-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-25 11:46:00,113 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-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-25 11:46:00,117 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-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-25 11:46:00,120 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-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2024-09-25 11:46:00,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:00,154 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-25 11:46:00,193 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-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-25 11:46:00,207 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-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:46:00,424 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-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-25 11:46:00,426 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-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-25 11:46:00,430 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-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-25 11:46:00,433 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-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-25 11:46:00,436 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-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-25 11:46:00,439 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-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-25 11:46:00,442 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-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-25 11:46:00,468 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-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-25 11:46:00,471 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-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-25 11:46:00,474 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-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-25 11:46:00,476 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-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-25 11:46:00,479 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-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-25 11:46:00,482 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-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-25 11:46:00,484 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-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:46:00,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:00,518 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:00,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00 WrapperNode [2024-09-25 11:46:00,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:00,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:00,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:00,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:00,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,585 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,629 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 11:46:00,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:00,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:00,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:00,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:00,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (1/1) ... [2024-09-25 11:46:00,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:00,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:00,809 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 11:46:00,813 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 11:46:00,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:00,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:00,863 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:00,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:46:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:46:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:46:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:46:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:46:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:46:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:01,113 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:01,116 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:02,931 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:02,995 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:02,998 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:46:02,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:02 BoogieIcfgContainer [2024-09-25 11:46:02,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:02,999 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:03,000 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:03,000 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:03,002 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 11:45:57" (1/4) ... [2024-09-25 11:46:03,002 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@71e526a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:03, skipping insertion in model container [2024-09-25 11:46:03,002 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:59" (2/4) ... [2024-09-25 11:46:03,003 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@71e526a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:03, skipping insertion in model container [2024-09-25 11:46:03,003 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:00" (3/4) ... [2024-09-25 11:46:03,003 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@71e526a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:03, skipping insertion in model container [2024-09-25 11:46:03,003 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:02" (4/4) ... [2024-09-25 11:46:03,004 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2024-09-25 11:46:03,008 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:46:03,009 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:46:03,009 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:46:03,011 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-25 11:46:03,012 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 444 edges. [2024-09-25 11:46:03,013 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-25 11:46:03,014 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-25 11:46:03,014 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr23ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-25 11:46:03,015 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-25 11:46:03,016 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-25 11:46:03,016 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-25 11:46:03,017 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-25 11:46:03,017 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr26ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-25 11:46:03,018 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:46:03,018 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 451 edges. [2024-09-25 11:46:03,019 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-25 11:46:03,019 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr22ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-25 11:46:03,020 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr27ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 896 edges. [2024-09-25 11:46:03,021 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-25 11:46:03,021 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 252 edges. [2024-09-25 11:46:03,023 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 437 edges. [2024-09-25 11:46:03,023 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-25 11:46:03,024 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr24ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-25 11:46:03,024 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-25 11:46:03,024 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr25ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-25 11:46:03,025 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 253 edges. [2024-09-25 11:46:03,025 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-25 11:46:03,026 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-25 11:46:03,026 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-25 11:46:03,027 INFO L131 InvariantChecker]: Will check 28 loop-free subgraphs from procedure entry to error location [2024-09-25 11:46:03,194 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:46:03,194 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:03,195 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:03,196 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:03,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:03,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,220 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:46:03,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:03,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:03,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:03,224 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:03,245 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:03,361 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:46:03,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:03,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:03,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:03,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:03,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,366 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:46:03,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:03,366 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:03,366 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:03,366 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:03,366 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:03,369 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:03,505 INFO L314 BlockEncoder]: Initial Icfg 254 locations, 314 edges [2024-09-25 11:46:03,506 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:03,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:03,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:03,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:03,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:08,343 INFO L101 BaseMinimizeStates]: Removed 1125 edges and 251 locations by large block encoding [2024-09-25 11:46:08,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:08,344 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:08,345 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:08,345 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:09,271 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 11:46:09,272 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 11:46:09,278 INFO L158 Benchmark]: Toolchain (without parser) took 9942.87ms. Allocated memory was 67.1MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 47.4MB in the beginning and 2.4GB in the end (delta: -2.4GB). Peak memory consumption was 649.7MB. Max. memory is 16.1GB. [2024-09-25 11:46:09,278 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:09,279 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 57.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:09,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1182.28ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 47.4MB in the beginning and 37.0MB in the end (delta: 10.4MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:09,280 INFO L158 Benchmark]: Boogie Preprocessor took 249.51ms. Allocated memory is still 81.8MB. Free memory was 37.0MB in the beginning and 43.3MB in the end (delta: -6.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-09-25 11:46:09,280 INFO L158 Benchmark]: RCFGBuilder took 2228.31ms. Allocated memory was 81.8MB in the beginning and 151.0MB in the end (delta: 69.2MB). Free memory was 43.3MB in the beginning and 97.3MB in the end (delta: -54.0MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-09-25 11:46:09,281 INFO L158 Benchmark]: Referee took 6276.08ms. Allocated memory was 151.0MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 97.3MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 617.5MB. Max. memory is 16.1GB. [2024-09-25 11:46:09,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 57.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1182.28ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 47.4MB in the beginning and 37.0MB in the end (delta: 10.4MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 249.51ms. Allocated memory is still 81.8MB. Free memory was 37.0MB in the beginning and 43.3MB in the end (delta: -6.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2228.31ms. Allocated memory was 81.8MB in the beginning and 151.0MB in the end (delta: 69.2MB). Free memory was 43.3MB in the beginning and 97.3MB in the end (delta: -54.0MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Referee took 6276.08ms. Allocated memory was 151.0MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 97.3MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 617.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:46:09,308 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