./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.v+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.v+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:38:44,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:38:44,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:38:44,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:38:44,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:38:44,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:38:44,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:38:44,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:38:44,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:38:44,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:38:44,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:38:44,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:38:44,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:38:44,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:38:44,133 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:38:44,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:38:44,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:38:44,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:38:44,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:38:44,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:38:44,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:38:44,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:38:44,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:38:44,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:38:44,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:38:44,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:38:44,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:38:44,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:38:44,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:38:44,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:38:44,141 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:38:44,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:38:44,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:38:44,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:44,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:38:44,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:38:44,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:38:44,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:38:44,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:38:44,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:38:44,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:38:44,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:38:44,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:38:44,147 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:38:44,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:38:44,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:38:44,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:38:44,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:38:44,430 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:38:44,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-09-17 19:38:45,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:38:46,186 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:38:46,187 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-09-17 19:38:46,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0e38dadf3/f217471ddb2c4185bf8e42a3bf830d2e/FLAG034caa6ee [2024-09-17 19:38:46,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0e38dadf3/f217471ddb2c4185bf8e42a3bf830d2e [2024-09-17 19:38:46,216 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:38:46,226 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:38:46,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-17 19:38:46,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:38:46,334 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:38:46,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:46,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:38:46,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:38:46,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:46" (1/2) ... [2024-09-17 19:38:46,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e81f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:46, skipping insertion in model container [2024-09-17 19:38:46,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:46" (1/2) ... [2024-09-17 19:38:46,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64781f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:46, skipping insertion in model container [2024-09-17 19:38:46,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:46" (2/2) ... [2024-09-17 19:38:46,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e81f3d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46, skipping insertion in model container [2024-09-17 19:38:46,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:46" (2/2) ... [2024-09-17 19:38:46,356 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:38:46,357 INFO L1541 ArrayList]: Location invariant before [L282-L391] (((main__t == 0) || (1 <= main__t)) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-17 19:38:46,357 INFO L1541 ArrayList]: Location invariant before [L63-L252] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-17 19:38:46,357 INFO L1541 ArrayList]: Location invariant before [L32-L395] ((((long long) main__t + 1) <= main__tagbuf_len) && ((0 < main__t) || (main__t == 0))) [2024-09-17 19:38:46,357 INFO L1541 ArrayList]: Location invariant before [L101-L251] ((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) [2024-09-17 19:38:46,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:38:46,556 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2024-09-17 19:38:46,561 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2024-09-17 19:38:46,562 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2024-09-17 19:38:46,565 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2024-09-17 19:38:46,567 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2024-09-17 19:38:46,572 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2024-09-17 19:38:46,574 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2024-09-17 19:38:46,576 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2024-09-17 19:38:46,577 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2024-09-17 19:38:46,580 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2024-09-17 19:38:46,581 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4306,4319] [2024-09-17 19:38:46,583 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2024-09-17 19:38:46,586 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2024-09-17 19:38:46,588 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2024-09-17 19:38:46,589 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2024-09-17 19:38:46,591 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2024-09-17 19:38:46,592 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2024-09-17 19:38:46,593 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6514,6527] [2024-09-17 19:38:46,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:46,605 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:38:46,618 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2024-09-17 19:38:46,620 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2024-09-17 19:38:46,621 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2024-09-17 19:38:46,623 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2024-09-17 19:38:46,625 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2024-09-17 19:38:46,627 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2024-09-17 19:38:46,628 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2024-09-17 19:38:46,629 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2024-09-17 19:38:46,631 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2024-09-17 19:38:46,633 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2024-09-17 19:38:46,635 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4306,4319] Start Parsing Local Start Parsing Local [2024-09-17 19:38:46,663 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2024-09-17 19:38:46,665 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2024-09-17 19:38:46,667 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2024-09-17 19:38:46,674 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2024-09-17 19:38:46,675 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2024-09-17 19:38:46,676 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2024-09-17 19:38:46,681 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6514,6527] Start Parsing Local Start Parsing Local [2024-09-17 19:38:46,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:46,701 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:38:46,702 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46 WrapperNode [2024-09-17 19:38:46,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:46,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:38:46,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:38:46,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:38:46,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,735 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,765 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-17 19:38:46,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:38:46,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:38:46,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:38:46,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:38:46,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (1/1) ... [2024-09-17 19:38:46,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:46,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:38:46,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-17 19:38:46,823 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-17 19:38:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:38:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:38:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:38:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:38:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:38:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:38:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:38:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:38:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:38:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:38:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:38:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:38:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:38:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:38:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-17 19:38:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:38:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-17 19:38:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-17 19:38:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:38:46,946 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:38:46,948 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:38:47,226 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:38:47,273 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:38:47,273 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:38:47,273 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:47 BoogieIcfgContainer [2024-09-17 19:38:47,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:38:47,277 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:38:47,277 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:38:47,278 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:38:47,279 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:38:46" (1/4) ... [2024-09-17 19:38:47,279 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@661ab3f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:38:47, skipping insertion in model container [2024-09-17 19:38:47,281 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:46" (2/4) ... [2024-09-17 19:38:47,281 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@661ab3f6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:47, skipping insertion in model container [2024-09-17 19:38:47,281 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:46" (3/4) ... [2024-09-17 19:38:47,281 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@661ab3f6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:47, skipping insertion in model container [2024-09-17 19:38:47,281 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:47" (4/4) ... [2024-09-17 19:38:47,284 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2024-09-17 19:38:47,288 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:38:47,290 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 36 edges. [2024-09-17 19:38:47,290 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-17 19:38:47,290 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-17 19:38:47,290 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 36 edges. [2024-09-17 19:38:47,290 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-17 19:38:47,291 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-17 19:38:47,291 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-17 19:38:47,291 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-17 19:38:47,291 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-17 19:38:47,291 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-17 19:38:47,292 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-17 19:38:47,292 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-17 19:38:47,292 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-17 19:38:47,293 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:38:47,293 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-17 19:38:47,293 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-17 19:38:47,293 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-17 19:38:47,294 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-17 19:38:47,294 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:38:47,294 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-17 19:38:47,294 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-17 19:38:47,295 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-17 19:38:47,295 INFO L131 InvariantChecker]: Will check 22 loop-free subgraphs from procedure entry to error location [2024-09-17 19:38:47,376 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 36 edges [2024-09-17 19:38:47,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:47,378 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:47,378 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:47,379 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:47,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:47,564 INFO L101 BaseMinimizeStates]: Removed 88 edges and 28 locations by large block encoding [2024-09-17 19:38:47,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:47,565 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:47,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:47,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:47,596 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-17 19:38:47,597 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-17 19:38:47,603 INFO L158 Benchmark]: Toolchain (without parser) took 1268.18ms. Allocated memory was 127.9MB in the beginning and 205.5MB in the end (delta: 77.6MB). Free memory was 99.8MB in the beginning and 88.6MB in the end (delta: 11.2MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2024-09-17 19:38:47,603 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:47,603 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 127.9MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 116.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:47,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.07ms. Allocated memory was 127.9MB in the beginning and 205.5MB in the end (delta: 77.6MB). Free memory was 99.6MB in the beginning and 160.9MB in the end (delta: -61.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-17 19:38:47,606 INFO L158 Benchmark]: Boogie Preprocessor took 86.57ms. Allocated memory is still 205.5MB. Free memory was 160.9MB in the beginning and 157.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:38:47,607 INFO L158 Benchmark]: RCFGBuilder took 483.13ms. Allocated memory is still 205.5MB. Free memory was 157.8MB in the beginning and 137.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-17 19:38:47,607 INFO L158 Benchmark]: Referee took 324.01ms. Allocated memory is still 205.5MB. Free memory was 137.7MB in the beginning and 88.6MB in the end (delta: 49.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-17 19:38:47,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.24ms. Allocated memory is still 127.9MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 116.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.07ms. Allocated memory was 127.9MB in the beginning and 205.5MB in the end (delta: 77.6MB). Free memory was 99.6MB in the beginning and 160.9MB in the end (delta: -61.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.57ms. Allocated memory is still 205.5MB. Free memory was 160.9MB in the beginning and 157.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.13ms. Allocated memory is still 205.5MB. Free memory was 157.8MB in the beginning and 137.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 324.01ms. Allocated memory is still 205.5MB. Free memory was 137.7MB in the beginning and 88.6MB in the end (delta: 49.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:38:47,643 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.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.v+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:38:49,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:38:49,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:38:49,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:38:49,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:38:49,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:38:49,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:38:49,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:38:49,900 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:38:49,901 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:38:49,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:38:49,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:38:49,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:38:49,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:38:49,904 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:38:49,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:38:49,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:38:49,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:38:49,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:38:49,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:38:49,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:38:49,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:38:49,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:38:49,910 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:38:49,910 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:38:49,911 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:38:49,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:38:49,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:38:49,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:38:49,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:38:49,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:38:49,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:38:49,912 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:38:49,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:38:49,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:38:49,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:49,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:38:49,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:38:49,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:38:49,925 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:38:49,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:38:49,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:38:49,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:38:49,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:38:49,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:38:49,927 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:38:49,927 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:38:50,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:38:50,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:38:50,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:38:50,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:38:50,261 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:38:50,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-09-17 19:38:51,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:38:52,038 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:38:52,038 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-09-17 19:38:52,047 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/70d5f6fae/54637f87bf6d4d15993eee1568ec3893/FLAG5e27e5846 [2024-09-17 19:38:52,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/70d5f6fae/54637f87bf6d4d15993eee1568ec3893 [2024-09-17 19:38:52,061 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:38:52,061 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:38:52,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-17 19:38:52,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:38:52,119 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:38:52,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:52,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:38:52,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:38:52,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:52" (1/2) ... [2024-09-17 19:38:52,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563e82c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:52, skipping insertion in model container [2024-09-17 19:38:52,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:52" (1/2) ... [2024-09-17 19:38:52,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70904eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:52, skipping insertion in model container [2024-09-17 19:38:52,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:52" (2/2) ... [2024-09-17 19:38:52,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563e82c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52, skipping insertion in model container [2024-09-17 19:38:52,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:52" (2/2) ... [2024-09-17 19:38:52,150 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:38:52,150 INFO L1541 ArrayList]: Location invariant before [L282-L391] (((main__t == 0) || (1 <= main__t)) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-17 19:38:52,150 INFO L1541 ArrayList]: Location invariant before [L63-L252] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-17 19:38:52,151 INFO L1541 ArrayList]: Location invariant before [L101-L251] ((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) [2024-09-17 19:38:52,151 INFO L1541 ArrayList]: Location invariant before [L32-L395] ((((long long) main__t + 1) <= main__tagbuf_len) && ((0 < main__t) || (main__t == 0))) [2024-09-17 19:38:52,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:38:52,360 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2024-09-17 19:38:52,370 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2024-09-17 19:38:52,371 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2024-09-17 19:38:52,374 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2024-09-17 19:38:52,377 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2024-09-17 19:38:52,384 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2024-09-17 19:38:52,386 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2024-09-17 19:38:52,387 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2024-09-17 19:38:52,390 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2024-09-17 19:38:52,394 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2024-09-17 19:38:52,397 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4306,4319] [2024-09-17 19:38:52,400 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2024-09-17 19:38:52,402 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2024-09-17 19:38:52,403 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2024-09-17 19:38:52,405 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2024-09-17 19:38:52,407 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2024-09-17 19:38:52,410 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2024-09-17 19:38:52,412 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6514,6527] [2024-09-17 19:38:52,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:52,432 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:38:52,455 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2024-09-17 19:38:52,456 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2024-09-17 19:38:52,461 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2024-09-17 19:38:52,463 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2024-09-17 19:38:52,464 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2024-09-17 19:38:52,465 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2024-09-17 19:38:52,469 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2024-09-17 19:38:52,483 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2024-09-17 19:38:52,487 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2024-09-17 19:38:52,494 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2024-09-17 19:38:52,495 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4306,4319] Start Parsing Local Start Parsing Local [2024-09-17 19:38:52,533 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2024-09-17 19:38:52,535 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2024-09-17 19:38:52,536 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2024-09-17 19:38:52,537 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2024-09-17 19:38:52,538 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2024-09-17 19:38:52,539 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2024-09-17 19:38:52,542 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6514,6527] Start Parsing Local Start Parsing Local [2024-09-17 19:38:52,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:52,576 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:38:52,577 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52 WrapperNode [2024-09-17 19:38:52,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:52,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:38:52,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:38:52,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:38:52,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,627 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-17 19:38:52,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:38:52,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:38:52,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:38:52,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:38:52,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (1/1) ... [2024-09-17 19:38:52,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:52,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:38:52,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-17 19:38:52,708 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-17 19:38:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:38:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:38:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:38:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:38:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:38:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:38:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:38:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:38:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:38:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:38:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:38:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:38:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:38:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:38:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-17 19:38:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:38:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-17 19:38:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-17 19:38:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:38:52,852 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:38:52,854 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:38:53,187 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:38:53,235 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:38:53,237 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:38:53,238 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:53 BoogieIcfgContainer [2024-09-17 19:38:53,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:38:53,239 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:38:53,240 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:38:53,240 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:38:53,241 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:38:52" (1/4) ... [2024-09-17 19:38:53,241 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@115c3b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:38:53, skipping insertion in model container [2024-09-17 19:38:53,241 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:52" (2/4) ... [2024-09-17 19:38:53,242 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@115c3b23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:53, skipping insertion in model container [2024-09-17 19:38:53,242 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:52" (3/4) ... [2024-09-17 19:38:53,242 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@115c3b23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:53, skipping insertion in model container [2024-09-17 19:38:53,243 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:53" (4/4) ... [2024-09-17 19:38:53,244 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2024-09-17 19:38:53,248 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:38:53,249 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 36 edges. [2024-09-17 19:38:53,250 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-17 19:38:53,250 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-17 19:38:53,251 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 36 edges. [2024-09-17 19:38:53,251 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-17 19:38:53,251 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-17 19:38:53,252 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-17 19:38:53,252 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-17 19:38:53,254 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-17 19:38:53,254 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-17 19:38:53,254 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-17 19:38:53,254 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-17 19:38:53,255 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-17 19:38:53,255 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:38:53,255 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-17 19:38:53,255 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-17 19:38:53,256 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-17 19:38:53,256 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-17 19:38:53,257 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:38:53,257 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-17 19:38:53,257 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-17 19:38:53,257 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-17 19:38:53,258 INFO L131 InvariantChecker]: Will check 22 loop-free subgraphs from procedure entry to error location [2024-09-17 19:38:53,338 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 36 edges [2024-09-17 19:38:53,339 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:53,340 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:53,341 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:53,342 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:53,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:53,555 INFO L101 BaseMinimizeStates]: Removed 88 edges and 28 locations by large block encoding [2024-09-17 19:38:53,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:53,556 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:53,557 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:53,557 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:53,586 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-17 19:38:53,587 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-17 19:38:53,594 INFO L158 Benchmark]: Toolchain (without parser) took 1473.88ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 44.2MB in the beginning and 61.1MB in the end (delta: -16.9MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-09-17 19:38:53,595 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 52.4MB. Free memory is still 27.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:53,595 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 73.4MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:53,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.97ms. Allocated memory is still 73.4MB. Free memory was 44.2MB in the beginning and 48.2MB in the end (delta: -4.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-09-17 19:38:53,597 INFO L158 Benchmark]: Boogie Preprocessor took 89.69ms. Allocated memory is still 73.4MB. Free memory was 48.2MB in the beginning and 45.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:53,598 INFO L158 Benchmark]: RCFGBuilder took 570.31ms. Allocated memory is still 73.4MB. Free memory was 45.1MB in the beginning and 46.5MB in the end (delta: -1.4MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-09-17 19:38:53,599 INFO L158 Benchmark]: Referee took 352.49ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 46.5MB in the beginning and 61.1MB in the end (delta: -14.6MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-09-17 19:38:53,601 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 52.4MB. Free memory is still 27.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 73.4MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.97ms. Allocated memory is still 73.4MB. Free memory was 44.2MB in the beginning and 48.2MB in the end (delta: -4.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.69ms. Allocated memory is still 73.4MB. Free memory was 48.2MB in the beginning and 45.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 570.31ms. Allocated memory is still 73.4MB. Free memory was 45.1MB in the beginning and 46.5MB in the end (delta: -1.4MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Referee took 352.49ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 46.5MB in the beginning and 61.1MB in the end (delta: -14.6MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:38:53,629 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