./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.v+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.v+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-dev-a9b967e-m [2024-09-12 16:48:11,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:12,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:48:12,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:12,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:12,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:12,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:12,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:12,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:12,070 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:12,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:12,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:12,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:12,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:12,072 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:12,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:12,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:12,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:12,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:48:12,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:12,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:12,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:12,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:12,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:12,078 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:12,078 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:12,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:12,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:12,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:12,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:12,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:12,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:12,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:12,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:12,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:12,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:12,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:48:12,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:48:12,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:12,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:12,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:12,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:12,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:12,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:12,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:12,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:12,347 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:12,348 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:12,349 INFO L431 ainManager$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+nlh-reducer.yml/witness-2.1.yml [2024-09-12 16:48:12,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:12,429 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:12,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2024-09-12 16:48:13,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:14,038 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:14,041 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2024-09-12 16:48:14,050 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/847232f91/0d3c37f3b8354a36835aa4ab18e19867/FLAG25d10ef2d [2024-09-12 16:48:14,066 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/847232f91/0d3c37f3b8354a36835aa4ab18e19867 [2024-09-12 16:48:14,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:14,068 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:14,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:14,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:14,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:14,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:12" (1/2) ... [2024-09-12 16:48:14,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed92534 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:14, skipping insertion in model container [2024-09-12 16:48:14,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:12" (1/2) ... [2024-09-12 16:48:14,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78ceeabb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:14, skipping insertion in model container [2024-09-12 16:48:14,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:14" (2/2) ... [2024-09-12 16:48:14,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed92534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14, skipping insertion in model container [2024-09-12 16:48:14,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:14" (2/2) ... [2024-09-12 16:48:14,098 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:14,099 INFO L1541 ArrayList]: Location invariant before [L102-L252] (((main__tagbuf_len != main__t) && (1 <= main__t)) && (main__t <= main__tagbuf_len)) [2024-09-12 16:48:14,099 INFO L1541 ArrayList]: Location invariant before [L64-L253] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-12 16:48:14,099 INFO L1541 ArrayList]: Location invariant before [L32-L368] (((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) || (((main__tagbuf_len != main__t) && (main__t == 0)) && (main__t <= main__tagbuf_len))) [2024-09-12 16:48:14,103 INFO L1541 ArrayList]: Location invariant before [L283-L364] (((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) || ((main__t == 0) && (1 <= main__tagbuf_len))) [2024-09-12 16:48:14,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:14,287 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1123,1136] [2024-09-12 16:48:14,296 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1338,1351] [2024-09-12 16:48:14,298 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1654,1667] [2024-09-12 16:48:14,299 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1869,1882] [2024-09-12 16:48:14,302 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2402,2415] [2024-09-12 16:48:14,308 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2617,2630] [2024-09-12 16:48:14,310 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2919,2932] [2024-09-12 16:48:14,311 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3134,3147] [2024-09-12 16:48:14,313 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3404,3417] [2024-09-12 16:48:14,314 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3622,3635] [2024-09-12 16:48:14,316 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4106,4119] [2024-09-12 16:48:14,318 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4324,4337] [2024-09-12 16:48:14,320 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4820,4833] [2024-09-12 16:48:14,321 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5221,5234] [2024-09-12 16:48:14,323 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5439,5452] [2024-09-12 16:48:14,324 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5881,5894] [2024-09-12 16:48:14,325 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[6099,6112] [2024-09-12 16:48:14,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:14,338 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:48:14,353 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1123,1136] [2024-09-12 16:48:14,354 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1338,1351] [2024-09-12 16:48:14,356 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1654,1667] [2024-09-12 16:48:14,357 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1869,1882] [2024-09-12 16:48:14,359 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2402,2415] [2024-09-12 16:48:14,361 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2617,2630] [2024-09-12 16:48:14,363 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2919,2932] [2024-09-12 16:48:14,364 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3134,3147] [2024-09-12 16:48:14,365 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3404,3417] [2024-09-12 16:48:14,366 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3622,3635] [2024-09-12 16:48:14,369 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4106,4119] [2024-09-12 16:48:14,370 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4324,4337] Start Parsing Local Start Parsing Local [2024-09-12 16:48:14,395 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4820,4833] [2024-09-12 16:48:14,398 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5221,5234] [2024-09-12 16:48:14,399 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5439,5452] [2024-09-12 16:48:14,403 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5881,5894] [2024-09-12 16:48:14,405 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[6099,6112] Start Parsing Local Start Parsing Local [2024-09-12 16:48:14,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:14,431 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:14,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14 WrapperNode [2024-09-12 16:48:14,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:14,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:14,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:14,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:14,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,466 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]. [2024-09-12 16:48:14,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:14,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:14,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:14,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:14,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (1/1) ... [2024-09-12 16:48:14,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:14,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:14,512 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) [2024-09-12 16:48:14,514 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 [2024-09-12 16:48:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 16:48:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-12 16:48:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-12 16:48:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:14,684 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:14,685 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:14,994 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:14,994 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:15,023 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:15,023 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:48:15,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:15 BoogieIcfgContainer [2024-09-12 16:48:15,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:15,026 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:15,027 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:15,027 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:15,028 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:12" (1/4) ... [2024-09-12 16:48:15,028 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@552e19bd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,028 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:14" (2/4) ... [2024-09-12 16:48:15,028 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@552e19bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,029 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14" (3/4) ... [2024-09-12 16:48:15,029 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@552e19bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,029 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:15" (4/4) ... [2024-09-12 16:48:15,030 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c [2024-09-12 16:48:15,035 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:48:15,039 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-12 16:48:15,040 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 34 edges. [2024-09-12 16:48:15,040 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 20 edges. [2024-09-12 16:48:15,040 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-12 16:48:15,040 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-12 16:48:15,041 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-12 16:48:15,041 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 34 edges. [2024-09-12 16:48:15,041 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-12 16:48:15,041 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:48:15,041 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-12 16:48:15,041 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 19 edges. [2024-09-12 16:48:15,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-12 16:48:15,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-12 16:48:15,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-12 16:48:15,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-12 16:48:15,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:48:15,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 16:48:15,043 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-12 16:48:15,043 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-12 16:48:15,043 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:48:15,046 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-12 16:48:15,046 INFO L130 InvariantChecker]: Will check 21 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:15,111 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 36 edges [2024-09-12 16:48:15,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:15,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:15,114 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:15,119 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:15,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,253 INFO L101 BaseMinimizeStates]: Removed 83 edges and 28 locations by large block encoding [2024-09-12 16:48:15,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,255 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:15,255 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:15,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:15,266 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:48:15,267 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) [2024-09-12 16:48:15,273 INFO L158 Benchmark]: Toolchain (without parser) took 1202.53ms. Allocated memory is still 201.3MB. Free memory was 131.8MB in the beginning and 120.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,274 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:15,274 INFO L158 Benchmark]: CDTParser took 1.83ms. Allocated memory is still 201.3MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:15,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.22ms. Allocated memory is still 201.3MB. Free memory was 131.5MB in the beginning and 111.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,276 INFO L158 Benchmark]: Boogie Preprocessor took 50.36ms. Allocated memory is still 201.3MB. Free memory was 111.2MB in the beginning and 108.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,276 INFO L158 Benchmark]: RCFGBuilder took 539.67ms. Allocated memory is still 201.3MB. Free memory was 108.7MB in the beginning and 154.0MB in the end (delta: -45.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,277 INFO L158 Benchmark]: Referee took 243.66ms. Allocated memory is still 201.3MB. Free memory was 154.0MB in the beginning and 120.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,280 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 0.18ms. Allocated memory is still 102.8MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.83ms. Allocated memory is still 201.3MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.22ms. Allocated memory is still 201.3MB. Free memory was 131.5MB in the beginning and 111.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.36ms. Allocated memory is still 201.3MB. Free memory was 111.2MB in the beginning and 108.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.67ms. Allocated memory is still 201.3MB. Free memory was 108.7MB in the beginning and 154.0MB in the end (delta: -45.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Referee took 243.66ms. Allocated memory is still 201.3MB. Free memory was 154.0MB in the beginning and 120.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:15,311 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.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.v+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-dev-a9b967e-m [2024-09-12 16:48:17,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:17,550 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:48:17,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:17,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:17,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:17,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:17,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:17,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:17,600 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:17,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:17,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:17,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:17,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:17,602 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:17,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:17,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:17,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:17,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:17,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:17,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:17,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:17,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:17,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:48:17,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:48:17,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:17,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:48:17,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:17,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:17,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:17,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:17,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:17,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:17,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:17,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:17,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:17,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:17,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:17,615 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:48:17,615 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:48:17,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:17,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:17,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:17,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:17,617 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:48:17,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:17,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:17,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:17,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:17,932 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:17,933 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:17,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2024-09-12 16:48:19,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:19,641 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:19,642 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2024-09-12 16:48:19,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/95644bac3/bdd7ba31889e4b55aa27d3865444b89e/FLAG362cd300f [2024-09-12 16:48:19,662 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/95644bac3/bdd7ba31889e4b55aa27d3865444b89e [2024-09-12 16:48:19,664 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:19,665 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:19,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-12 16:48:19,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:19,716 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:19,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:19,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:19,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:19,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:19" (1/2) ... [2024-09-12 16:48:19,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d9a305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:19, skipping insertion in model container [2024-09-12 16:48:19,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:19" (1/2) ... [2024-09-12 16:48:19,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@489a7f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:19, skipping insertion in model container [2024-09-12 16:48:19,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:19" (2/2) ... [2024-09-12 16:48:19,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d9a305 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:19, skipping insertion in model container [2024-09-12 16:48:19,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:19" (2/2) ... [2024-09-12 16:48:19,738 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:19,739 INFO L1541 ArrayList]: Location invariant before [L102-L252] (((main__tagbuf_len != main__t) && (1 <= main__t)) && (main__t <= main__tagbuf_len)) [2024-09-12 16:48:19,739 INFO L1541 ArrayList]: Location invariant before [L283-L364] (((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) || ((main__t == 0) && (1 <= main__tagbuf_len))) [2024-09-12 16:48:19,739 INFO L1541 ArrayList]: Location invariant before [L32-L368] (((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) || (((main__tagbuf_len != main__t) && (main__t == 0)) && (main__t <= main__tagbuf_len))) [2024-09-12 16:48:19,739 INFO L1541 ArrayList]: Location invariant before [L64-L253] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-12 16:48:19,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:19,945 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1123,1136] [2024-09-12 16:48:19,953 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1338,1351] [2024-09-12 16:48:19,955 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1654,1667] [2024-09-12 16:48:19,956 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1869,1882] [2024-09-12 16:48:19,962 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2402,2415] [2024-09-12 16:48:19,964 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2617,2630] [2024-09-12 16:48:19,970 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2919,2932] [2024-09-12 16:48:19,972 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3134,3147] [2024-09-12 16:48:19,973 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3404,3417] [2024-09-12 16:48:19,975 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3622,3635] [2024-09-12 16:48:19,978 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4106,4119] [2024-09-12 16:48:19,992 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4324,4337] [2024-09-12 16:48:19,997 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4820,4833] [2024-09-12 16:48:20,001 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5221,5234] [2024-09-12 16:48:20,004 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5439,5452] [2024-09-12 16:48:20,006 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5881,5894] [2024-09-12 16:48:20,007 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[6099,6112] [2024-09-12 16:48:20,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:20,032 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:48:20,050 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1123,1136] [2024-09-12 16:48:20,054 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1338,1351] [2024-09-12 16:48:20,056 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1654,1667] [2024-09-12 16:48:20,057 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[1869,1882] [2024-09-12 16:48:20,061 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2402,2415] [2024-09-12 16:48:20,065 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2617,2630] [2024-09-12 16:48:20,067 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[2919,2932] [2024-09-12 16:48:20,072 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3134,3147] [2024-09-12 16:48:20,073 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3404,3417] [2024-09-12 16:48:20,074 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[3622,3635] [2024-09-12 16:48:20,080 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4106,4119] [2024-09-12 16:48:20,081 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4324,4337] Start Parsing Local Start Parsing Local [2024-09-12 16:48:20,116 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[4820,4833] [2024-09-12 16:48:20,117 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5221,5234] [2024-09-12 16:48:20,120 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5439,5452] [2024-09-12 16:48:20,122 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[5881,5894] [2024-09-12 16:48:20,127 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+nlh-reducer.c[6099,6112] Start Parsing Local Start Parsing Local [2024-09-12 16:48:20,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:20,154 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:20,155 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20 WrapperNode [2024-09-12 16:48:20,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:20,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:20,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:20,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:20,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,212 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]. [2024-09-12 16:48:20,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:20,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:20,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:20,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:20,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (1/1) ... [2024-09-12 16:48:20,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:20,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:20,277 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) [2024-09-12 16:48:20,284 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 [2024-09-12 16:48:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-12 16:48:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-12 16:48:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-12 16:48:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:20,430 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:20,432 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:20,754 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:20,754 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:20,804 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:20,808 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:48:20,808 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:20 BoogieIcfgContainer [2024-09-12 16:48:20,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:20,809 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:20,809 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:20,810 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:20,810 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:19" (1/4) ... [2024-09-12 16:48:20,810 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d5edb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:20, skipping insertion in model container [2024-09-12 16:48:20,812 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:19" (2/4) ... [2024-09-12 16:48:20,812 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d5edb4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:20, skipping insertion in model container [2024-09-12 16:48:20,812 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:20" (3/4) ... [2024-09-12 16:48:20,812 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d5edb4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:20, skipping insertion in model container [2024-09-12 16:48:20,813 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:20" (4/4) ... [2024-09-12 16:48:20,814 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c [2024-09-12 16:48:20,817 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:48:20,818 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-12 16:48:20,818 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 34 edges. [2024-09-12 16:48:20,819 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 20 edges. [2024-09-12 16:48:20,819 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-12 16:48:20,819 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-12 16:48:20,820 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-12 16:48:20,820 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 34 edges. [2024-09-12 16:48:20,820 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-12 16:48:20,821 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:48:20,821 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-12 16:48:20,821 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 19 edges. [2024-09-12 16:48:20,821 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-12 16:48:20,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-12 16:48:20,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-12 16:48:20,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 8 edges. [2024-09-12 16:48:20,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:48:20,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 16:48:20,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-12 16:48:20,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-12 16:48:20,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:48:20,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 37 edges. [2024-09-12 16:48:20,824 INFO L130 InvariantChecker]: Will check 21 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:20,915 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 36 edges [2024-09-12 16:48:20,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:20,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:20,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:20,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:20,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:21,071 INFO L101 BaseMinimizeStates]: Removed 83 edges and 28 locations by large block encoding [2024-09-12 16:48:21,073 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:21,073 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:21,073 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:21,073 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:21,084 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:48:21,084 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) [2024-09-12 16:48:21,090 INFO L158 Benchmark]: Toolchain (without parser) took 1373.98ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 28.1MB in the end (delta: 9.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-09-12 16:48:21,090 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 54.5MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:21,091 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:21,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.05ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 43.7MB in the end (delta: -6.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:21,091 INFO L158 Benchmark]: Boogie Preprocessor took 87.17ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 40.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:21,092 INFO L158 Benchmark]: RCFGBuilder took 564.04ms. Allocated memory is still 71.3MB. Free memory was 40.9MB in the beginning and 41.2MB in the end (delta: -286.2kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-09-12 16:48:21,094 INFO L158 Benchmark]: Referee took 279.47ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 28.1MB in the end (delta: 13.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-09-12 16:48:21,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 54.5MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.05ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 43.7MB in the end (delta: -6.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.17ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 40.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.04ms. Allocated memory is still 71.3MB. Free memory was 40.9MB in the beginning and 41.2MB in the end (delta: -286.2kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Referee took 279.47ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 28.1MB in the end (delta: 13.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:21,127 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