./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-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-04d6fb3-m [2024-09-15 20:05:17,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:17,910 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:05:17,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:17,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:17,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:17,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:17,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:17,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:17,961 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:17,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:17,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:17,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:17,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:17,963 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:17,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:17,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:17,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:17,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:05:17,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:17,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:17,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:17,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:17,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:17,970 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:17,970 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:17,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:17,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:17,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:17,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:17,972 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:17,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:17,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:17,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:17,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:17,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:17,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:17,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:05:17,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:05:17,974 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:17,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:17,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:17,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:17,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:18,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:18,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:18,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:18,219 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:18,220 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:18,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-15 20:05:18,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:18,272 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:18,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-15 20:05:19,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:19,884 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:19,884 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-15 20:05:19,907 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6175a52b1/435edffd11b2477d9cd8fa48ed376991/FLAG2ac76ac8a [2024-09-15 20:05:20,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6175a52b1/435edffd11b2477d9cd8fa48ed376991 [2024-09-15 20:05:20,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:20,232 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:20,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:20,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:20,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:20,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:18" (1/2) ... [2024-09-15 20:05:20,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddeb5e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:20, skipping insertion in model container [2024-09-15 20:05:20,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:18" (1/2) ... [2024-09-15 20:05:20,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bc6b4b3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:20, skipping insertion in model container [2024-09-15 20:05:20,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:20" (2/2) ... [2024-09-15 20:05:20,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddeb5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:20, skipping insertion in model container [2024-09-15 20:05:20,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:20" (2/2) ... [2024-09-15 20:05:20,275 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:20,276 INFO L1541 ArrayList]: Location invariant before [L132-L282] ((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) [2024-09-15 20:05:20,276 INFO L1541 ArrayList]: Location invariant before [L64-L3001] (((main__t == 0) || (1 <= main__t)) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-15 20:05:20,277 INFO L1541 ArrayList]: Location invariant before [L2591-L2647] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-15 20:05:20,277 INFO L1541 ArrayList]: Location invariant before [L25-L3002] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-15 20:05:20,277 INFO L1541 ArrayList]: Location invariant before [L96-L283] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-15 20:05:20,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:20,528 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2024-09-15 20:05:20,534 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2024-09-15 20:05:20,541 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2024-09-15 20:05:20,542 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.p+nlh-reducer.c[1840,1853] [2024-09-15 20:05:20,543 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2024-09-15 20:05:20,546 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2024-09-15 20:05:20,549 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2024-09-15 20:05:20,552 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2024-09-15 20:05:20,555 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2024-09-15 20:05:20,559 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2024-09-15 20:05:20,560 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2024-09-15 20:05:20,565 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.p+nlh-reducer.c[4096,4109] [2024-09-15 20:05:20,567 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.p+nlh-reducer.c[4582,4595] [2024-09-15 20:05:20,568 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2024-09-15 20:05:20,778 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2024-09-15 20:05:20,786 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2024-09-15 20:05:20,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:20,814 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:05:20,828 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2024-09-15 20:05:20,829 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2024-09-15 20:05:20,830 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2024-09-15 20:05:20,831 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2024-09-15 20:05:20,833 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2024-09-15 20:05:20,834 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2024-09-15 20:05:20,835 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2024-09-15 20:05:20,835 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2024-09-15 20:05:20,836 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2024-09-15 20:05:20,837 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2024-09-15 20:05:20,838 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2024-09-15 20:05:20,839 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2024-09-15 20:05:20,840 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2024-09-15 20:05:20,841 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] Start Parsing Local Start Parsing Local [2024-09-15 20:05:20,991 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2024-09-15 20:05:20,995 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-15 20:05:21,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:21,018 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:21,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21 WrapperNode [2024-09-15 20:05:21,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:21,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:21,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:21,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:21,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,094 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]. [2024-09-15 20:05:21,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:21,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:21,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:21,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:21,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (1/1) ... [2024-09-15 20:05:21,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:21,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:21,284 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) [2024-09-15 20:05:21,286 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 [2024-09-15 20:05:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:05:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:05:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:05:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-15 20:05:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-15 20:05:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-15 20:05:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:21,483 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:21,485 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:22,337 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:22,366 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:22,367 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:05:22,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:22 BoogieIcfgContainer [2024-09-15 20:05:22,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:22,369 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:22,369 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:22,370 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:22,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:18" (1/4) ... [2024-09-15 20:05:22,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b5d691 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:22, skipping insertion in model container [2024-09-15 20:05:22,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:20" (2/4) ... [2024-09-15 20:05:22,371 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b5d691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:22, skipping insertion in model container [2024-09-15 20:05:22,372 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:21" (3/4) ... [2024-09-15 20:05:22,372 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b5d691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:22, skipping insertion in model container [2024-09-15 20:05:22,372 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:22" (4/4) ... [2024-09-15 20:05:22,373 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2024-09-15 20:05:22,376 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:05:22,378 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 328 edges. [2024-09-15 20:05:22,379 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-15 20:05:22,379 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:05:22,379 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-15 20:05:22,380 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-15 20:05:22,380 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 328 edges. [2024-09-15 20:05:22,381 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-15 20:05:22,381 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-15 20:05:22,382 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-15 20:05:22,382 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-15 20:05:22,382 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-15 20:05:22,383 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-15 20:05:22,383 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-15 20:05:22,384 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-15 20:05:22,384 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-15 20:05:22,384 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-15 20:05:22,385 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-15 20:05:22,385 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-15 20:05:22,385 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-15 20:05:22,386 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-15 20:05:22,386 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-15 20:05:22,386 INFO L130 InvariantChecker]: Will check 21 loop-free subgraphs from procedure entry to error location [2024-09-15 20:05:22,507 INFO L314 BlockEncoder]: Initial Icfg 265 locations, 328 edges [2024-09-15 20:05:22,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:22,509 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:22,510 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:22,511 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:22,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,255 INFO L101 BaseMinimizeStates]: Removed 1283 edges and 261 locations by large block encoding [2024-09-15 20:05:28,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,256 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:28,257 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:28,257 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:29,643 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-15 20:05:29,644 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-15 20:05:29,648 INFO L158 Benchmark]: Toolchain (without parser) took 9415.73ms. Allocated memory was 155.2MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 97.3MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 797.6MB. Max. memory is 16.1GB. [2024-09-15 20:05:29,649 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:29,649 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:29,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.60ms. Allocated memory is still 155.2MB. Free memory was 96.9MB in the beginning and 47.3MB in the end (delta: 49.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-15 20:05:29,653 INFO L158 Benchmark]: Boogie Preprocessor took 228.49ms. Allocated memory is still 155.2MB. Free memory was 47.3MB in the beginning and 120.9MB in the end (delta: -73.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:05:29,654 INFO L158 Benchmark]: RCFGBuilder took 1114.58ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 120.1MB in the beginning and 156.3MB in the end (delta: -36.2MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2024-09-15 20:05:29,654 INFO L158 Benchmark]: Referee took 7278.35ms. Allocated memory was 230.7MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 156.3MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 779.6MB. Max. memory is 16.1GB. [2024-09-15 20:05:29,657 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 0.17ms. Allocated memory is still 155.2MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.60ms. Allocated memory is still 155.2MB. Free memory was 96.9MB in the beginning and 47.3MB in the end (delta: 49.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 228.49ms. Allocated memory is still 155.2MB. Free memory was 47.3MB in the beginning and 120.9MB in the end (delta: -73.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1114.58ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 120.1MB in the beginning and 156.3MB in the end (delta: -36.2MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. * Referee took 7278.35ms. Allocated memory was 230.7MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 156.3MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 779.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:05:29,685 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/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-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-04d6fb3-m [2024-09-15 20:05:31,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:32,040 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:05:32,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:32,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:32,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:32,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:32,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:32,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:32,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:32,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:32,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:32,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:32,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:32,084 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:32,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:32,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:32,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:32,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:32,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:32,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:32,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:32,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:32,086 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:05:32,086 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:05:32,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:32,087 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:05:32,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:32,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:32,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:32,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:32,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:32,088 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:32,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:32,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:32,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:32,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:32,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:32,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:32,089 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:05:32,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:05:32,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:32,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:32,090 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:32,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:32,090 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:05:32,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:32,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:32,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:32,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:32,414 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:32,415 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:32,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-15 20:05:32,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:32,475 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:32,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-15 20:05:33,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:34,155 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:34,156 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-15 20:05:34,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4489f22e3/444af715572141e7ac760db0851f5deb/FLAG800e3a741 [2024-09-15 20:05:34,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4489f22e3/444af715572141e7ac760db0851f5deb [2024-09-15 20:05:34,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:34,188 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:34,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:34,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:34,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:34,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:32" (1/2) ... [2024-09-15 20:05:34,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efcadcf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:34, skipping insertion in model container [2024-09-15 20:05:34,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:32" (1/2) ... [2024-09-15 20:05:34,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55cfe2d3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:34, skipping insertion in model container [2024-09-15 20:05:34,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:34" (2/2) ... [2024-09-15 20:05:34,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efcadcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:34, skipping insertion in model container [2024-09-15 20:05:34,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:34" (2/2) ... [2024-09-15 20:05:34,239 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:34,240 INFO L1541 ArrayList]: Location invariant before [L132-L282] ((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) [2024-09-15 20:05:34,240 INFO L1541 ArrayList]: Location invariant before [L96-L283] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-15 20:05:34,240 INFO L1541 ArrayList]: Location invariant before [L2591-L2647] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-15 20:05:34,240 INFO L1541 ArrayList]: Location invariant before [L64-L3001] (((main__t == 0) || (1 <= main__t)) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-15 20:05:34,241 INFO L1541 ArrayList]: Location invariant before [L25-L3002] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-15 20:05:34,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:34,444 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2024-09-15 20:05:34,454 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.p+nlh-reducer.c[1116,1129] [2024-09-15 20:05:34,457 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2024-09-15 20:05:34,458 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.p+nlh-reducer.c[1840,1853] [2024-09-15 20:05:34,460 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.p+nlh-reducer.c[2157,2170] [2024-09-15 20:05:34,461 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.p+nlh-reducer.c[2372,2385] [2024-09-15 20:05:34,463 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.p+nlh-reducer.c[2867,2880] [2024-09-15 20:05:34,464 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.p+nlh-reducer.c[3082,3095] [2024-09-15 20:05:34,466 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2024-09-15 20:05:34,467 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.p+nlh-reducer.c[3602,3615] [2024-09-15 20:05:34,468 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2024-09-15 20:05:34,472 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2024-09-15 20:05:34,478 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4582,4595] [2024-09-15 20:05:34,479 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2024-09-15 20:05:34,747 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2024-09-15 20:05:34,751 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] [2024-09-15 20:05:34,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:34,786 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:05:34,797 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[901,914] [2024-09-15 20:05:34,800 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2024-09-15 20:05:34,805 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2024-09-15 20:05:34,806 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2024-09-15 20:05:34,806 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2024-09-15 20:05:34,807 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2372,2385] [2024-09-15 20:05:34,807 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2867,2880] [2024-09-15 20:05:34,808 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2024-09-15 20:05:34,813 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2024-09-15 20:05:34,814 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2024-09-15 20:05:34,814 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3878,3891] [2024-09-15 20:05:34,815 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2024-09-15 20:05:34,816 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.p+nlh-reducer.c[4582,4595] [2024-09-15 20:05:34,818 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.p+nlh-reducer.c[4800,4813] Start Parsing Local Start Parsing Local [2024-09-15 20:05:34,974 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2024-09-15 20:05:34,979 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-15 20:05:34,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:35,005 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:35,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35 WrapperNode [2024-09-15 20:05:35,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:35,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:35,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:35,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:35,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,078 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]. [2024-09-15 20:05:35,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:35,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:35,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:35,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:35,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (1/1) ... [2024-09-15 20:05:35,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:35,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:35,181 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) [2024-09-15 20:05:35,183 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 [2024-09-15 20:05:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:05:35,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:05:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:05:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-15 20:05:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-15 20:05:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-15 20:05:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:35,417 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:35,421 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:36,437 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:36,485 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:36,485 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:05:36,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:36 BoogieIcfgContainer [2024-09-15 20:05:36,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:36,486 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:36,486 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:36,487 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:36,487 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:32" (1/4) ... [2024-09-15 20:05:36,487 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70b66762 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:36, skipping insertion in model container [2024-09-15 20:05:36,487 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:34" (2/4) ... [2024-09-15 20:05:36,487 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70b66762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:36, skipping insertion in model container [2024-09-15 20:05:36,488 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:35" (3/4) ... [2024-09-15 20:05:36,488 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70b66762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:36, skipping insertion in model container [2024-09-15 20:05:36,488 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:36" (4/4) ... [2024-09-15 20:05:36,490 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2024-09-15 20:05:36,494 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:05:36,495 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 328 edges. [2024-09-15 20:05:36,496 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-15 20:05:36,498 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:05:36,498 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-15 20:05:36,499 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-15 20:05:36,499 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 328 edges. [2024-09-15 20:05:36,499 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-15 20:05:36,500 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-15 20:05:36,500 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-15 20:05:36,501 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-15 20:05:36,502 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-15 20:05:36,502 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-15 20:05:36,503 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-15 20:05:36,503 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-15 20:05:36,504 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-15 20:05:36,505 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-15 20:05:36,505 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-15 20:05:36,505 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-15 20:05:36,505 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-15 20:05:36,506 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-15 20:05:36,506 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-15 20:05:36,506 INFO L130 InvariantChecker]: Will check 21 loop-free subgraphs from procedure entry to error location [2024-09-15 20:05:36,644 INFO L314 BlockEncoder]: Initial Icfg 265 locations, 328 edges [2024-09-15 20:05:36,645 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:36,645 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:36,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:36,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:36,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,089 INFO L101 BaseMinimizeStates]: Removed 1283 edges and 261 locations by large block encoding [2024-09-15 20:05:44,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,091 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:44,091 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:44,092 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:45,251 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-15 20:05:45,253 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-15 20:05:45,259 INFO L158 Benchmark]: Toolchain (without parser) took 11070.93ms. Allocated memory was 75.5MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 38.0MB in the beginning and 7.2GB in the end (delta: -7.1GB). Peak memory consumption was 665.2MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,260 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 29.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:45,260 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 52.4MB. Free memory is still 27.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:45,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.35ms. Allocated memory is still 75.5MB. Free memory was 55.1MB in the beginning and 25.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,262 INFO L158 Benchmark]: Boogie Preprocessor took 133.36ms. Allocated memory is still 75.5MB. Free memory was 25.6MB in the beginning and 46.7MB in the end (delta: -21.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,263 INFO L158 Benchmark]: RCFGBuilder took 1341.10ms. Allocated memory was 75.5MB in the beginning and 117.4MB in the end (delta: 41.9MB). Free memory was 46.7MB in the beginning and 82.0MB in the end (delta: -35.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,263 INFO L158 Benchmark]: Referee took 8771.43ms. Allocated memory was 117.4MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 82.0MB in the beginning and 7.2GB in the end (delta: -7.1GB). Peak memory consumption was 667.0MB. Max. memory is 16.1GB. [2024-09-15 20:05:45,268 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 52.4MB. Free memory is still 29.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.46ms. Allocated memory is still 52.4MB. Free memory is still 27.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 807.35ms. Allocated memory is still 75.5MB. Free memory was 55.1MB in the beginning and 25.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.36ms. Allocated memory is still 75.5MB. Free memory was 25.6MB in the beginning and 46.7MB in the end (delta: -21.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1341.10ms. Allocated memory was 75.5MB in the beginning and 117.4MB in the end (delta: 41.9MB). Free memory was 46.7MB in the beginning and 82.0MB in the end (delta: -35.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Referee took 8771.43ms. Allocated memory was 117.4MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 82.0MB in the beginning and 7.2GB in the end (delta: -7.1GB). Peak memory consumption was 667.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:05:45,294 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug