./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 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.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-6908dde-m [2024-09-25 00:26:56,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:26:56,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:26:56,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:26:56,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:26:56,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:26:56,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:26:56,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:26:56,822 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:26:56,822 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:26:56,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:26:56,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:26:56,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:26:56,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:26:56,824 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:26:56,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:26:56,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:26:56,825 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:26:56,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:26:56,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:26:56,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:26:56,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:26:56,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:26:56,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:26:56,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:26:56,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:26:56,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:26:56,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:26:56,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:26:56,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:26:56,833 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:26:56,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:26:56,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:26:56,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:26:56,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:26:56,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:26:56,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:26:56,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:26:56,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:26:56,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:26:56,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:26:56,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:26:56,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:26:56,838 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:26:57,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:26:57,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:26:57,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:26:57,152 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:26:57,155 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:26:57,156 INFO L431 ainManager$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 [2024-09-25 00:26:57,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:26:57,255 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:26:57,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-09-25 00:26:58,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:26:59,148 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:26:59,149 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-09-25 00:26:59,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d4da62cb5/718f3f99b8824ad8b0fea58de60b0f5b/FLAG74ab18463 [2024-09-25 00:26:59,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d4da62cb5/718f3f99b8824ad8b0fea58de60b0f5b [2024-09-25 00:26:59,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:26:59,501 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:26:59,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:26:59,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:26:59,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:26:59,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:26:57" (1/2) ... [2024-09-25 00:26:59,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72be5d92 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:26:59, skipping insertion in model container [2024-09-25 00:26:59,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:26:57" (1/2) ... [2024-09-25 00:26:59,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@561b40cb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:26:59, skipping insertion in model container [2024-09-25 00:26:59,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:26:59" (2/2) ... [2024-09-25 00:26:59,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72be5d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59, skipping insertion in model container [2024-09-25 00:26:59,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:26:59" (2/2) ... [2024-09-25 00:26:59,527 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:26:59,528 INFO L1541 ArrayList]: Location invariant before [L32-L395] ((((long long) main__t + 1) <= main__tagbuf_len) && ((0 < main__t) || (main__t == 0))) [2024-09-25 00:26:59,528 INFO L1541 ArrayList]: Location invariant before [L282-L391] (((main__t == 0) || (1 <= main__t)) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-25 00:26:59,528 INFO L1541 ArrayList]: Location invariant before [L63-L252] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-25 00:26:59,529 INFO L1541 ArrayList]: Location invariant before [L101-L251] ((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) [2024-09-25 00:26:59,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:26:59,704 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] [2024-09-25 00:26:59,709 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] [2024-09-25 00:26:59,711 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] [2024-09-25 00:26:59,713 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] [2024-09-25 00:26:59,714 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] [2024-09-25 00:26:59,716 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] [2024-09-25 00:26:59,718 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] [2024-09-25 00:26:59,720 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] [2024-09-25 00:26:59,722 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] [2024-09-25 00:26:59,724 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] [2024-09-25 00:26:59,726 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] [2024-09-25 00:26:59,728 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] [2024-09-25 00:26:59,730 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] [2024-09-25 00:26:59,732 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] [2024-09-25 00:26:59,734 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] [2024-09-25 00:26:59,735 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] [2024-09-25 00:26:59,737 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] [2024-09-25 00:26:59,738 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] [2024-09-25 00:26:59,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:26:59,751 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:26:59,765 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] [2024-09-25 00:26:59,768 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] [2024-09-25 00:26:59,770 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] [2024-09-25 00:26:59,772 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] [2024-09-25 00:26:59,773 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] [2024-09-25 00:26:59,775 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] [2024-09-25 00:26:59,776 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] [2024-09-25 00:26:59,777 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] [2024-09-25 00:26:59,779 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] [2024-09-25 00:26:59,781 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] [2024-09-25 00:26:59,782 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 [2024-09-25 00:26:59,816 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] [2024-09-25 00:26:59,818 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] [2024-09-25 00:26:59,819 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] [2024-09-25 00:26:59,821 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] [2024-09-25 00:26:59,822 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] [2024-09-25 00:26:59,823 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] [2024-09-25 00:26:59,825 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 [2024-09-25 00:26:59,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:26:59,847 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:26:59,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59 WrapperNode [2024-09-25 00:26:59,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:26:59,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:26:59,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:26:59,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:26:59,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,886 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]. [2024-09-25 00:26:59,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:26:59,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:26:59,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:26:59,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:26:59,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (1/1) ... [2024-09-25 00:26:59,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:26:59,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:26:59,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:26:59,951 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:26:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:26:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:26:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:26:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:26:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:26:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:26:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:26:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:26:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:26:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:26:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:26:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:26:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:26:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:26:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:26:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:26:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 00:26:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 00:26:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:00,073 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:00,075 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:00,439 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:00,480 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:00,480 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:27:00,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:00 BoogieIcfgContainer [2024-09-25 00:27:00,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:00,482 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:00,482 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:00,486 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:00,487 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:26:57" (1/4) ... [2024-09-25 00:27:00,487 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f5b2a1d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:00, skipping insertion in model container [2024-09-25 00:27:00,487 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:26:59" (2/4) ... [2024-09-25 00:27:00,487 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f5b2a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:00, skipping insertion in model container [2024-09-25 00:27:00,488 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:26:59" (3/4) ... [2024-09-25 00:27:00,488 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f5b2a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:00, skipping insertion in model container [2024-09-25 00:27:00,488 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:00" (4/4) ... [2024-09-25 00:27:00,491 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2024-09-25 00:27:00,499 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:27:00,500 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 36 edges. [2024-09-25 00:27:00,500 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-25 00:27:00,500 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-25 00:27:00,500 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 36 edges. [2024-09-25 00:27:00,501 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-25 00:27:00,501 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 00:27:00,501 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-25 00:27:00,501 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-25 00:27:00,501 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 00:27:00,501 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-25 00:27:00,502 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-25 00:27:00,502 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-25 00:27:00,502 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-25 00:27:00,505 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:27:00,505 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-25 00:27:00,505 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-25 00:27:00,506 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-25 00:27:00,506 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-25 00:27:00,506 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:27:00,506 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-25 00:27:00,506 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-25 00:27:00,507 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-25 00:27:00,507 INFO L131 InvariantChecker]: Will check 22 loop-free subgraphs from procedure entry to error location [2024-09-25 00:27:00,596 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 36 edges [2024-09-25 00:27:00,597 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:00,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:00,602 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:00,609 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:00,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:00,804 INFO L101 BaseMinimizeStates]: Removed 88 edges and 28 locations by large block encoding [2024-09-25 00:27:00,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:00,806 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:00,806 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:00,807 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:00,842 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-25 00:27:00,844 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-25 00:27:00,851 INFO L158 Benchmark]: Toolchain (without parser) took 1349.30ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 115.9MB in the end (delta: 20.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-25 00:27:00,853 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:00,853 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 207.6MB. Free memory is still 182.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:00,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.36ms. Allocated memory is still 207.6MB. Free memory was 135.8MB in the beginning and 115.0MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-25 00:27:00,855 INFO L158 Benchmark]: Boogie Preprocessor took 51.59ms. Allocated memory is still 207.6MB. Free memory was 115.0MB in the beginning and 112.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:00,856 INFO L158 Benchmark]: RCFGBuilder took 578.90ms. Allocated memory is still 207.6MB. Free memory was 112.2MB in the beginning and 165.4MB in the end (delta: -53.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:27:00,857 INFO L158 Benchmark]: Referee took 367.43ms. Allocated memory is still 207.6MB. Free memory was 165.4MB in the beginning and 115.9MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-25 00:27:00,859 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 0.10ms. Allocated memory is still 104.9MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 207.6MB. Free memory is still 182.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.36ms. Allocated memory is still 207.6MB. Free memory was 135.8MB in the beginning and 115.0MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.59ms. Allocated memory is still 207.6MB. Free memory was 115.0MB in the beginning and 112.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.90ms. Allocated memory is still 207.6MB. Free memory was 112.2MB in the beginning and 165.4MB in the end (delta: -53.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 367.43ms. Allocated memory is still 207.6MB. Free memory was 165.4MB in the beginning and 115.9MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:27:00,894 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.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-6908dde-m [2024-09-25 00:27:03,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:03,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:27:03,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:03,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:03,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:03,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:03,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:03,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:03,362 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:03,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:03,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:03,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:03,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:03,365 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:03,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:03,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:03,366 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:03,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:03,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:03,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:03,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:03,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:03,374 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:27:03,374 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:27:03,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:03,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:27:03,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:03,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:03,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:03,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:03,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:03,386 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:03,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:03,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:03,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:03,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:03,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:03,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:03,388 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:27:03,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:27:03,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:03,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:03,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:03,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:03,390 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:27:03,390 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:03,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:03,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:03,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:03,769 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:03,769 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:03,771 INFO L431 ainManager$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 [2024-09-25 00:27:03,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:03,828 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:03,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-09-25 00:27:05,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:05,737 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:05,738 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-09-25 00:27:05,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/25638081e/e79a7e3350bf40009e1efdb9bd9a0bd4/FLAGd4274e1c7 [2024-09-25 00:27:06,137 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/25638081e/e79a7e3350bf40009e1efdb9bd9a0bd4 [2024-09-25 00:27:06,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:06,139 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:06,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:06,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:06,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:06,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:03" (1/2) ... [2024-09-25 00:27:06,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e15faf5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:06, skipping insertion in model container [2024-09-25 00:27:06,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:03" (1/2) ... [2024-09-25 00:27:06,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55f17d3a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:06, skipping insertion in model container [2024-09-25 00:27:06,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:06" (2/2) ... [2024-09-25 00:27:06,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e15faf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06, skipping insertion in model container [2024-09-25 00:27:06,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:06" (2/2) ... [2024-09-25 00:27:06,175 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:06,176 INFO L1541 ArrayList]: Location invariant before [L63-L252] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-25 00:27:06,177 INFO L1541 ArrayList]: Location invariant before [L101-L251] ((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) [2024-09-25 00:27:06,177 INFO L1541 ArrayList]: Location invariant before [L32-L395] ((((long long) main__t + 1) <= main__tagbuf_len) && ((0 < main__t) || (main__t == 0))) [2024-09-25 00:27:06,177 INFO L1541 ArrayList]: Location invariant before [L282-L391] (((main__t == 0) || (1 <= main__t)) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-25 00:27:06,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:06,416 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] [2024-09-25 00:27:06,427 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] [2024-09-25 00:27:06,430 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2024-09-25 00:27:06,434 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] [2024-09-25 00:27:06,436 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2024-09-25 00:27:06,438 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] [2024-09-25 00:27:06,439 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2024-09-25 00:27:06,443 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] [2024-09-25 00:27:06,446 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] [2024-09-25 00:27:06,448 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] [2024-09-25 00:27:06,451 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] [2024-09-25 00:27:06,454 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] [2024-09-25 00:27:06,458 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] [2024-09-25 00:27:06,460 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] [2024-09-25 00:27:06,462 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] [2024-09-25 00:27:06,464 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[6010,6023] [2024-09-25 00:27:06,467 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] [2024-09-25 00:27:06,469 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[6514,6527] [2024-09-25 00:27:06,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:06,494 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:27:06,511 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] [2024-09-25 00:27:06,512 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] [2024-09-25 00:27:06,515 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] [2024-09-25 00:27:06,519 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] [2024-09-25 00:27:06,520 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] [2024-09-25 00:27:06,522 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] [2024-09-25 00:27:06,527 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] [2024-09-25 00:27:06,529 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] [2024-09-25 00:27:06,531 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] [2024-09-25 00:27:06,538 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[4088,4101] [2024-09-25 00:27:06,539 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[4306,4319] Start Parsing Local Start Parsing Local [2024-09-25 00:27:06,576 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[4802,4815] [2024-09-25 00:27:06,578 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] [2024-09-25 00:27:06,581 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[5421,5434] [2024-09-25 00:27:06,582 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] [2024-09-25 00:27:06,583 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[6010,6023] [2024-09-25 00:27:06,588 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[6296,6309] [2024-09-25 00:27:06,589 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[6514,6527] Start Parsing Local Start Parsing Local [2024-09-25 00:27:06,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:06,617 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:06,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06 WrapperNode [2024-09-25 00:27:06,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:06,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:06,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:06,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:06,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,678 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]. [2024-09-25 00:27:06,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:06,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:06,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:06,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:06,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (1/1) ... [2024-09-25 00:27:06,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:06,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:06,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:27:06,756 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:27:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:27:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:27:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:27:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:27:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:27:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-25 00:27:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-25 00:27:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-25 00:27:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:06,919 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:06,922 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:07,280 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:07,313 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:07,314 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:27:07,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:07 BoogieIcfgContainer [2024-09-25 00:27:07,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:07,315 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:07,315 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:07,317 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:07,317 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:03" (1/4) ... [2024-09-25 00:27:07,317 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e383e2e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:07, skipping insertion in model container [2024-09-25 00:27:07,319 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:06" (2/4) ... [2024-09-25 00:27:07,319 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e383e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:07, skipping insertion in model container [2024-09-25 00:27:07,319 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:06" (3/4) ... [2024-09-25 00:27:07,319 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e383e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:07, skipping insertion in model container [2024-09-25 00:27:07,319 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:07" (4/4) ... [2024-09-25 00:27:07,321 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2024-09-25 00:27:07,325 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:27:07,326 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 36 edges. [2024-09-25 00:27:07,327 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-25 00:27:07,328 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-25 00:27:07,328 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 36 edges. [2024-09-25 00:27:07,328 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-25 00:27:07,329 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 00:27:07,329 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-25 00:27:07,329 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-25 00:27:07,331 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 00:27:07,331 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-25 00:27:07,331 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-25 00:27:07,342 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-25 00:27:07,343 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-25 00:27:07,343 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:27:07,344 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-25 00:27:07,344 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-25 00:27:07,344 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-25 00:27:07,344 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-25 00:27:07,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:27:07,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-25 00:27:07,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-25 00:27:07,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-25 00:27:07,347 INFO L131 InvariantChecker]: Will check 22 loop-free subgraphs from procedure entry to error location [2024-09-25 00:27:07,436 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 36 edges [2024-09-25 00:27:07,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:07,438 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:07,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:07,440 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:07,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,649 INFO L101 BaseMinimizeStates]: Removed 88 edges and 28 locations by large block encoding [2024-09-25 00:27:07,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,650 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:07,650 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:07,651 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:07,688 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-25 00:27:07,689 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-25 00:27:07,694 INFO L158 Benchmark]: Toolchain (without parser) took 1553.93ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 40.7MB in the beginning and 59.2MB in the end (delta: -18.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-09-25 00:27:07,694 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 25.2MB in the beginning and 25.1MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:07,694 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 50.3MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:07,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.94ms. Allocated memory is still 69.2MB. Free memory was 40.4MB in the beginning and 37.2MB in the end (delta: 3.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-09-25 00:27:07,695 INFO L158 Benchmark]: Boogie Preprocessor took 93.46ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 34.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 00:27:07,696 INFO L158 Benchmark]: RCFGBuilder took 600.58ms. Allocated memory is still 69.2MB. Free memory was 34.1MB in the beginning and 29.9MB in the end (delta: 4.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-09-25 00:27:07,696 INFO L158 Benchmark]: Referee took 376.75ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 59.2MB in the end (delta: -29.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:27:07,699 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 25.2MB in the beginning and 25.1MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 50.3MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.94ms. Allocated memory is still 69.2MB. Free memory was 40.4MB in the beginning and 37.2MB in the end (delta: 3.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.46ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 34.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 600.58ms. Allocated memory is still 69.2MB. Free memory was 34.1MB in the beginning and 29.9MB in the end (delta: 4.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Referee took 376.75ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 59.2MB in the end (delta: -29.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:27:07,727 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