./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 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-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-dev-5189fb6-m [2024-09-13 05:02:40,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:41,050 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:41,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:41,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:41,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:41,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:41,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:41,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:41,092 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:41,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:41,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:41,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:41,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:41,096 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:41,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:41,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:41,097 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:41,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:41,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:41,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:41,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:41,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:41,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:41,102 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:41,102 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:41,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:41,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:41,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:41,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:41,104 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:41,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:41,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:41,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:41,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:41,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:41,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:41,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:41,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:41,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:41,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:41,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:41,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:41,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:41,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:41,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:41,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:41,406 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:41,406 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:41,407 INFO L431 ainManager$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 [2024-09-13 05:02:41,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:41,468 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:41,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-13 05:02:42,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:43,167 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:43,168 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-13 05:02:43,189 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/955b64aa7/06cfde2367174686845f68c0ccfe1485/FLAG54e5bb37b [2024-09-13 05:02:43,433 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/955b64aa7/06cfde2367174686845f68c0ccfe1485 [2024-09-13 05:02:43,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:43,434 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:43,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:43,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:43,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:43,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:41" (1/2) ... [2024-09-13 05:02:43,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1622c384 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:43, skipping insertion in model container [2024-09-13 05:02:43,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:41" (1/2) ... [2024-09-13 05:02:43,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f4431b3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:43, skipping insertion in model container [2024-09-13 05:02:43,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:43" (2/2) ... [2024-09-13 05:02:43,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1622c384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:43, skipping insertion in model container [2024-09-13 05:02:43,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:43" (2/2) ... [2024-09-13 05:02:43,504 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:43,504 INFO L1541 ArrayList]: Location invariant before [L4665-L4938] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-13 05:02:43,505 INFO L1541 ArrayList]: Location invariant before [L264-L599] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:43,505 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)) [2024-09-13 05:02:43,505 INFO L1541 ArrayList]: Location invariant before [L68-L5292] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:43,505 INFO L1541 ArrayList]: Location invariant before [L268-L558] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:43,506 INFO L1541 ArrayList]: Location invariant before [L360-L554] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:43,508 INFO L1541 ArrayList]: Location invariant before [L4734-L4921] ((61 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-13 05:02:43,509 INFO L1541 ArrayList]: Location invariant before [L4770-L4920] ((((long long) main__t + 1) <= main__tagbuf_len) && (61 <= main__t)) [2024-09-13 05:02:43,509 INFO L1541 ArrayList]: Location invariant before [L31-L5293] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-13 05:02:43,509 INFO L1541 ArrayList]: Location invariant before [L408-L511] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:43,509 INFO L1541 ArrayList]: Location invariant before [L404-L552] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:43,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:43,766 WARN L247 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] [2024-09-13 05:02:43,772 WARN L247 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] [2024-09-13 05:02:44,188 WARN L247 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] [2024-09-13 05:02:44,192 WARN L247 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] [2024-09-13 05:02:44,198 WARN L247 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] [2024-09-13 05:02:44,201 WARN L247 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] [2024-09-13 05:02:44,207 WARN L247 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] [2024-09-13 05:02:44,211 WARN L247 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] [2024-09-13 05:02:44,216 WARN L247 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] [2024-09-13 05:02:44,219 WARN L247 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] [2024-09-13 05:02:44,224 WARN L247 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] [2024-09-13 05:02:44,227 WARN L247 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] [2024-09-13 05:02:44,235 WARN L247 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] [2024-09-13 05:02:44,240 WARN L247 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] [2024-09-13 05:02:44,244 WARN L247 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] [2024-09-13 05:02:44,248 WARN L247 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] [2024-09-13 05:02:44,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:44,281 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:02:44,295 WARN L247 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] [2024-09-13 05:02:44,296 WARN L247 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 [2024-09-13 05:02:44,546 WARN L247 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] [2024-09-13 05:02:44,550 WARN L247 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] [2024-09-13 05:02:44,554 WARN L247 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] [2024-09-13 05:02:44,557 WARN L247 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] [2024-09-13 05:02:44,560 WARN L247 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] [2024-09-13 05:02:44,562 WARN L247 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] [2024-09-13 05:02:44,565 WARN L247 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] [2024-09-13 05:02:44,567 WARN L247 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] [2024-09-13 05:02:44,570 WARN L247 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] [2024-09-13 05:02:44,592 WARN L247 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] [2024-09-13 05:02:44,596 WARN L247 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] [2024-09-13 05:02:44,601 WARN L247 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] [2024-09-13 05:02:44,606 WARN L247 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] [2024-09-13 05:02:44,608 WARN L247 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 [2024-09-13 05:02:44,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:44,640 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:44,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44 WrapperNode [2024-09-13 05:02:44,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:44,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:44,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:44,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:44,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,698 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,746 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:02:44,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:44,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:44,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:44,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:44,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (1/1) ... [2024-09-13 05:02:44,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:44,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:44,901 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) [2024-09-13 05:02:44,903 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 [2024-09-13 05:02:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:02:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:02:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:02:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:02:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:45,197 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:45,199 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:46,626 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:46,689 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:46,691 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:02:46,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:46 BoogieIcfgContainer [2024-09-13 05:02:46,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:46,694 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:46,694 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:46,695 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:46,695 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:41" (1/4) ... [2024-09-13 05:02:46,695 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37904397 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:46, skipping insertion in model container [2024-09-13 05:02:46,695 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:43" (2/4) ... [2024-09-13 05:02:46,696 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37904397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:46, skipping insertion in model container [2024-09-13 05:02:46,696 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:44" (3/4) ... [2024-09-13 05:02:46,696 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37904397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:46, skipping insertion in model container [2024-09-13 05:02:46,696 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:46" (4/4) ... [2024-09-13 05:02:46,697 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2024-09-13 05:02:46,702 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:02:46,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:02:46,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:02:46,704 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-13 05:02:46,706 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 439 edges. [2024-09-13 05:02:46,706 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-13 05:02:46,707 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-13 05:02:46,707 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr23ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-13 05:02:46,708 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-13 05:02:46,709 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-13 05:02:46,709 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-13 05:02:46,710 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-13 05:02:46,710 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr26ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-13 05:02:46,711 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:46,712 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 451 edges. [2024-09-13 05:02:46,713 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-13 05:02:46,713 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr22ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-13 05:02:46,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-13 05:02:46,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 252 edges. [2024-09-13 05:02:46,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 437 edges. [2024-09-13 05:02:46,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-13 05:02:46,717 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr24ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-13 05:02:46,717 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-13 05:02:46,718 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr25ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-13 05:02:46,718 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 253 edges. [2024-09-13 05:02:46,718 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-13 05:02:46,719 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-13 05:02:46,719 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-13 05:02:46,720 INFO L130 InvariantChecker]: Will check 27 loop-free subgraphs from procedure entry to error location [2024-09-13 05:02:46,866 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:02:46,867 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:46,868 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:46,868 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:46,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:46,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:46,891 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:02:46,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:46,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:46,892 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:46,893 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:46,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:46,914 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:47,000 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:02:47,000 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:47,000 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:47,000 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:47,001 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:47,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,004 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:02:47,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:47,004 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:47,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:47,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:47,005 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:47,007 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:47,125 INFO L314 BlockEncoder]: Initial Icfg 254 locations, 314 edges [2024-09-13 05:02:47,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:47,126 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:47,126 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:47,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:47,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:51,060 INFO L101 BaseMinimizeStates]: Removed 1125 edges and 251 locations by large block encoding [2024-09-13 05:02:51,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:51,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:51,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:51,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:51,915 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:02:51,916 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:144) 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) [2024-09-13 05:02:51,921 INFO L158 Benchmark]: Toolchain (without parser) took 8486.29ms. Allocated memory was 159.4MB in the beginning and 899.7MB in the end (delta: 740.3MB). Free memory was 117.8MB in the beginning and 788.9MB in the end (delta: -671.1MB). Peak memory consumption was 483.3MB. Max. memory is 16.1GB. [2024-09-13 05:02:51,922 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 104.9MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:51,922 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:51,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1205.59ms. Allocated memory is still 159.4MB. Free memory was 117.8MB in the beginning and 97.9MB in the end (delta: 19.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:51,925 INFO L158 Benchmark]: Boogie Preprocessor took 226.54ms. Allocated memory is still 159.4MB. Free memory was 97.9MB in the beginning and 85.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:02:51,926 INFO L158 Benchmark]: RCFGBuilder took 1824.14ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 85.3MB in the beginning and 78.1MB in the end (delta: 7.3MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:51,928 INFO L158 Benchmark]: Referee took 5226.37ms. Allocated memory was 209.7MB in the beginning and 899.7MB in the end (delta: 690.0MB). Free memory was 78.1MB in the beginning and 788.9MB in the end (delta: -710.8MB). Peak memory consumption was 393.3MB. Max. memory is 16.1GB. [2024-09-13 05:02:51,932 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 0.09ms. Allocated memory is still 104.9MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1205.59ms. Allocated memory is still 159.4MB. Free memory was 117.8MB in the beginning and 97.9MB in the end (delta: 19.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 226.54ms. Allocated memory is still 159.4MB. Free memory was 97.9MB in the beginning and 85.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1824.14ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 85.3MB in the beginning and 78.1MB in the end (delta: 7.3MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Referee took 5226.37ms. Allocated memory was 209.7MB in the beginning and 899.7MB in the end (delta: 690.0MB). Free memory was 78.1MB in the beginning and 788.9MB in the end (delta: -710.8MB). Peak memory consumption was 393.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:51,964 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-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-dev-5189fb6-m [2024-09-13 05:02:54,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:54,291 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:02:54,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:54,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:54,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:54,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:54,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:54,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:54,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:54,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:54,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:54,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:54,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:54,337 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:54,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:54,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:54,338 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:54,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:54,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:54,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:54,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:54,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:54,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:02:54,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:02:54,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:54,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:02:54,343 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:54,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:54,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:54,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:54,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:54,344 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:54,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:54,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:54,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:54,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:54,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:54,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:54,349 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:02:54,349 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:02:54,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:54,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:54,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:54,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:54,350 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:02:54,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:54,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:54,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:54,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:54,672 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:54,673 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:54,674 INFO L431 ainManager$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 [2024-09-13 05:02:54,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:54,753 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:54,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-13 05:02:56,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:56,594 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:56,595 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-13 05:02:56,617 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4ae094a7e/6eee1fafbb1f4833b50741bfc903f734/FLAGf21826e0a [2024-09-13 05:02:56,631 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4ae094a7e/6eee1fafbb1f4833b50741bfc903f734 [2024-09-13 05:02:56,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:56,633 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:56,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:56,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:56,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:56,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:54" (1/2) ... [2024-09-13 05:02:56,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582096e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56, skipping insertion in model container [2024-09-13 05:02:56,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:54" (1/2) ... [2024-09-13 05:02:56,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3792b5a3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56, skipping insertion in model container [2024-09-13 05:02:56,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:56" (2/2) ... [2024-09-13 05:02:56,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582096e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56, skipping insertion in model container [2024-09-13 05:02:56,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:56" (2/2) ... [2024-09-13 05:02:56,705 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:56,707 INFO L1541 ArrayList]: Location invariant before [L360-L554] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:56,708 INFO L1541 ArrayList]: Location invariant before [L268-L558] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:56,708 INFO L1541 ArrayList]: Location invariant before [L264-L599] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:56,708 INFO L1541 ArrayList]: Location invariant before [L4770-L4920] ((((long long) main__t + 1) <= main__tagbuf_len) && (61 <= main__t)) [2024-09-13 05:02:56,708 INFO L1541 ArrayList]: Location invariant before [L408-L511] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:56,708 INFO L1541 ArrayList]: Location invariant before [L68-L5292] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:56,708 INFO L1541 ArrayList]: Location invariant before [L4734-L4921] ((61 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-13 05:02:56,709 INFO L1541 ArrayList]: Location invariant before [L31-L5293] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-13 05:02:56,709 INFO L1541 ArrayList]: Location invariant before [L4665-L4938] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-13 05:02:56,709 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)) [2024-09-13 05:02:56,709 INFO L1541 ArrayList]: Location invariant before [L404-L552] (0 < ((long long) main__t + 1)) [2024-09-13 05:02:56,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:57,004 WARN L247 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] [2024-09-13 05:02:57,014 WARN L247 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] [2024-09-13 05:02:57,472 WARN L247 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] [2024-09-13 05:02:57,476 WARN L247 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] [2024-09-13 05:02:57,498 WARN L247 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] [2024-09-13 05:02:57,502 WARN L247 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] [2024-09-13 05:02:57,514 WARN L247 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] [2024-09-13 05:02:57,520 WARN L247 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] [2024-09-13 05:02:57,524 WARN L247 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] [2024-09-13 05:02:57,527 WARN L247 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] [2024-09-13 05:02:57,532 WARN L247 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] [2024-09-13 05:02:57,536 WARN L247 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] [2024-09-13 05:02:57,540 WARN L247 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] [2024-09-13 05:02:57,543 WARN L247 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] [2024-09-13 05:02:57,547 WARN L247 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] [2024-09-13 05:02:57,551 WARN L247 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] [2024-09-13 05:02:57,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:57,587 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:02:57,601 WARN L247 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] [2024-09-13 05:02:57,602 WARN L247 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 [2024-09-13 05:02:57,829 WARN L247 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] [2024-09-13 05:02:57,832 WARN L247 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] [2024-09-13 05:02:57,835 WARN L247 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] [2024-09-13 05:02:57,837 WARN L247 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] [2024-09-13 05:02:57,840 WARN L247 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] [2024-09-13 05:02:57,843 WARN L247 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] [2024-09-13 05:02:57,845 WARN L247 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] [2024-09-13 05:02:57,848 WARN L247 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] [2024-09-13 05:02:57,851 WARN L247 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] [2024-09-13 05:02:57,853 WARN L247 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] [2024-09-13 05:02:57,856 WARN L247 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] [2024-09-13 05:02:57,858 WARN L247 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] [2024-09-13 05:02:57,861 WARN L247 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] [2024-09-13 05:02:57,863 WARN L247 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 [2024-09-13 05:02:57,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:57,902 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:57,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57 WrapperNode [2024-09-13 05:02:57,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:57,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:57,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:57,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:57,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:57,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:57,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:58,025 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:02:58,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:58,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:58,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:58,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:58,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:58,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:58,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:58,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:58,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:58,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:58,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (1/1) ... [2024-09-13 05:02:58,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:58,169 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) [2024-09-13 05:02:58,174 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 [2024-09-13 05:02:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:58,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:58,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:02:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:02:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:02:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:02:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:58,490 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:58,496 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:00,142 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:00,188 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:00,188 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:03:00,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:00 BoogieIcfgContainer [2024-09-13 05:03:00,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:00,190 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:00,190 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:00,191 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:00,191 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:54" (1/4) ... [2024-09-13 05:03:00,191 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b6b2c15 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:00, skipping insertion in model container [2024-09-13 05:03:00,192 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:56" (2/4) ... [2024-09-13 05:03:00,192 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b6b2c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:00, skipping insertion in model container [2024-09-13 05:03:00,192 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:57" (3/4) ... [2024-09-13 05:03:00,192 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b6b2c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:00, skipping insertion in model container [2024-09-13 05:03:00,192 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:00" (4/4) ... [2024-09-13 05:03:00,194 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2024-09-13 05:03:00,198 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:03:00,199 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:03:00,199 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:03:00,200 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-13 05:03:00,203 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 439 edges. [2024-09-13 05:03:00,203 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-13 05:03:00,204 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-13 05:03:00,205 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr23ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-13 05:03:00,205 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-13 05:03:00,206 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-13 05:03:00,207 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-13 05:03:00,207 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-13 05:03:00,208 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr26ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-13 05:03:00,208 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:03:00,209 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 451 edges. [2024-09-13 05:03:00,209 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-13 05:03:00,210 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr22ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-13 05:03:00,210 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 469 edges. [2024-09-13 05:03:00,211 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 252 edges. [2024-09-13 05:03:00,211 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 437 edges. [2024-09-13 05:03:00,212 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-13 05:03:00,212 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr24ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-13 05:03:00,213 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-13 05:03:00,213 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr25ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 269 edges. [2024-09-13 05:03:00,213 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 253 edges. [2024-09-13 05:03:00,214 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 267 edges. [2024-09-13 05:03:00,214 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 268 edges. [2024-09-13 05:03:00,214 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 270 edges. [2024-09-13 05:03:00,215 INFO L130 InvariantChecker]: Will check 27 loop-free subgraphs from procedure entry to error location [2024-09-13 05:03:00,378 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:03:00,379 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:00,379 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:00,380 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:00,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:00,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:00,401 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:03:00,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:00,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:00,404 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:00,404 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:00,405 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:00,429 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:00,541 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:03:00,541 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:00,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:00,542 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:00,543 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:00,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:00,545 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:03:00,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:00,545 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:00,546 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:00,546 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:00,546 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:00,548 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:00,687 INFO L314 BlockEncoder]: Initial Icfg 254 locations, 314 edges [2024-09-13 05:03:00,687 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:00,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:00,688 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:00,688 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:00,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:05,105 INFO L101 BaseMinimizeStates]: Removed 1124 edges and 251 locations by large block encoding [2024-09-13 05:03:05,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:05,106 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:05,106 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:05,106 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:06,466 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:03:06,468 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:144) 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) [2024-09-13 05:03:06,482 INFO L158 Benchmark]: Toolchain (without parser) took 9844.21ms. Allocated memory was 65.0MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 44.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 630.4MB. Max. memory is 16.1GB. [2024-09-13 05:03:06,483 INFO L158 Benchmark]: Witness Parser took 1.13ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 27.2MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:06,484 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory is still 24.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:06,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1268.87ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 43.8MB in the beginning and 48.0MB in the end (delta: -4.2MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-09-13 05:03:06,488 INFO L158 Benchmark]: Boogie Preprocessor took 223.70ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 34.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:03:06,489 INFO L158 Benchmark]: RCFGBuilder took 2060.38ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 34.4MB in the beginning and 86.7MB in the end (delta: -52.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-09-13 05:03:06,489 INFO L158 Benchmark]: Referee took 6286.97ms. Allocated memory was 146.8MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 86.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 591.1MB. Max. memory is 16.1GB. [2024-09-13 05:03:06,493 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 1.13ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 27.2MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory is still 24.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1268.87ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 43.8MB in the beginning and 48.0MB in the end (delta: -4.2MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 223.70ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 34.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2060.38ms. Allocated memory was 83.9MB in the beginning and 146.8MB in the end (delta: 62.9MB). Free memory was 34.4MB in the beginning and 86.7MB in the end (delta: -52.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Referee took 6286.97ms. Allocated memory was 146.8MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 86.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 591.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:06,522 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug