./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/cpachecker-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/output/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-27b4987-m [2024-09-21 19:06:36,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:36,924 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:36,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:36,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:36,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:36,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:36,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:36,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:36,953 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:36,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:36,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:36,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:36,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:36,955 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:36,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:36,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:36,956 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:36,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:36,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:36,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:36,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:36,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:36,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:36,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:36,960 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:36,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:36,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:36,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:36,961 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:36,961 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:36,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:36,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:36,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:36,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:36,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:36,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:36,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:36,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:36,965 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:36,965 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:36,969 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:36,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:36,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:37,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:37,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:37,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:37,237 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:37,238 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:37,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/output/witness-2.1.yml [2024-09-21 19:06:37,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:37,329 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:37,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-21 19:06:38,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:38,893 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:38,893 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-21 19:06:38,911 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6aa668918/a8f2e77d5a1342fab015213a6305b8f5/FLAGf5cbab5ea [2024-09-21 19:06:38,923 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6aa668918/a8f2e77d5a1342fab015213a6305b8f5 [2024-09-21 19:06:38,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:38,925 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:38,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:38,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:38,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:38,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:37" (1/2) ... [2024-09-21 19:06:38,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ef706b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:38, skipping insertion in model container [2024-09-21 19:06:38,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:37" (1/2) ... [2024-09-21 19:06:38,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@620acc50 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:38, skipping insertion in model container [2024-09-21 19:06:38,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:38" (2/2) ... [2024-09-21 19:06:38,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ef706b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:38, skipping insertion in model container [2024-09-21 19:06:38,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:38" (2/2) ... [2024-09-21 19:06:38,944 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:38,945 INFO L1541 ArrayList]: Function contract at [L16]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:39,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:39,198 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] [2024-09-21 19:06:39,208 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] [2024-09-21 19:06:39,213 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] [2024-09-21 19:06:39,214 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] [2024-09-21 19:06:39,216 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] [2024-09-21 19:06:39,220 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] [2024-09-21 19:06:39,222 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] [2024-09-21 19:06:39,228 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] [2024-09-21 19:06:39,232 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] [2024-09-21 19:06:39,234 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] [2024-09-21 19:06:39,237 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] [2024-09-21 19:06:39,239 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] [2024-09-21 19:06:39,243 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] [2024-09-21 19:06:39,246 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] [2024-09-21 19:06:39,456 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47686,47699] [2024-09-21 19:06:39,460 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[47907,47920] [2024-09-21 19:06:39,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:39,510 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:39,553 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] [2024-09-21 19:06:39,556 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2024-09-21 19:06:39,558 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] [2024-09-21 19:06:39,559 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[1840,1853] [2024-09-21 19:06:39,559 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[2157,2170] [2024-09-21 19:06:39,560 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[2372,2385] [2024-09-21 19:06:39,564 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] [2024-09-21 19:06:39,567 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[3082,3095] [2024-09-21 19:06:39,571 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] [2024-09-21 19:06:39,572 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3602,3615] [2024-09-21 19:06:39,573 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] [2024-09-21 19:06:39,573 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] [2024-09-21 19:06:39,575 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] [2024-09-21 19:06:39,578 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] [2024-09-21 19:06:39,688 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] [2024-09-21 19:06:39,696 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] [2024-09-21 19:06:39,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:39,728 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:39,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39 WrapperNode [2024-09-21 19:06:39,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:39,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:39,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:39,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:39,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,815 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:39,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:39,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:39,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:39,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:39,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (1/1) ... [2024-09-21 19:06:39,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:39,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:39,952 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) [2024-09-21 19:06:39,954 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 [2024-09-21 19:06:39,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:06:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:40,169 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:40,171 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:40,207 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:41,130 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:41,167 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:41,168 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:06:41,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:41 BoogieIcfgContainer [2024-09-21 19:06:41,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:41,169 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:41,169 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:41,170 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:41,170 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:37" (1/4) ... [2024-09-21 19:06:41,171 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@173c7b10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:41, skipping insertion in model container [2024-09-21 19:06:41,171 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:38" (2/4) ... [2024-09-21 19:06:41,171 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@173c7b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:41, skipping insertion in model container [2024-09-21 19:06:41,172 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:39" (3/4) ... [2024-09-21 19:06:41,172 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@173c7b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:41, skipping insertion in model container [2024-09-21 19:06:41,173 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:41" (4/4) ... [2024-09-21 19:06:41,174 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2024-09-21 19:06:41,178 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:06:41,180 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 325 edges. [2024-09-21 19:06:41,181 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 310 edges. [2024-09-21 19:06:41,182 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 309 edges. [2024-09-21 19:06:41,183 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 325 edges. [2024-09-21 19:06:41,186 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 324 edges. [2024-09-21 19:06:41,187 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 325 edges. [2024-09-21 19:06:41,188 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 323 edges. [2024-09-21 19:06:41,188 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 310 edges. [2024-09-21 19:06:41,189 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 323 edges. [2024-09-21 19:06:41,189 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 323 edges. [2024-09-21 19:06:41,190 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 247 edges. [2024-09-21 19:06:41,190 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 324 edges. [2024-09-21 19:06:41,190 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 309 edges. [2024-09-21 19:06:41,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 247 edges. [2024-09-21 19:06:41,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr16ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 547 edges. [2024-09-21 19:06:41,192 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:41,192 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 324 edges. [2024-09-21 19:06:41,192 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 323 edges. [2024-09-21 19:06:41,193 INFO L131 InvariantChecker]: Will check 18 loop-free subgraphs from procedure entry to error location [2024-09-21 19:06:41,321 INFO L314 BlockEncoder]: Initial Icfg 262 locations, 325 edges [2024-09-21 19:06:41,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:41,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:41,325 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:41,326 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:41,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,509 INFO L101 BaseMinimizeStates]: Removed 1698 edges and 258 locations by large block encoding [2024-09-21 19:06:55,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,512 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,513 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,513 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:58,116 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-21 19:06:58,117 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 19:06:58,123 INFO L158 Benchmark]: Toolchain (without parser) took 19196.54ms. Allocated memory was 146.8MB in the beginning and 12.7GB in the end (delta: 12.5GB). Free memory was 71.8MB in the beginning and 11.6GB in the end (delta: -11.6GB). Peak memory consumption was 984.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:58,123 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 96.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:58,124 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory was 117.9MB in the beginning and 117.8MB in the end (delta: 158.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:58,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.56ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 71.7MB in the beginning and 130.1MB in the end (delta: -58.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-09-21 19:06:58,125 INFO L158 Benchmark]: Boogie Preprocessor took 190.52ms. Allocated memory is still 190.8MB. Free memory was 130.1MB in the beginning and 122.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 19:06:58,125 INFO L158 Benchmark]: RCFGBuilder took 1246.65ms. Allocated memory is still 190.8MB. Free memory was 122.3MB in the beginning and 111.1MB in the end (delta: 11.2MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:58,126 INFO L158 Benchmark]: Referee took 16951.46ms. Allocated memory was 190.8MB in the beginning and 12.7GB in the end (delta: 12.5GB). Free memory was 111.1MB in the beginning and 11.6GB in the end (delta: -11.5GB). Peak memory consumption was 980.4MB. Max. memory is 16.1GB. [2024-09-21 19:06:58,132 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 0.12ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 96.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory was 117.9MB in the beginning and 117.8MB in the end (delta: 158.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.56ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 71.7MB in the beginning and 130.1MB in the end (delta: -58.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.52ms. Allocated memory is still 190.8MB. Free memory was 130.1MB in the beginning and 122.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1246.65ms. Allocated memory is still 190.8MB. Free memory was 122.3MB in the beginning and 111.1MB in the end (delta: 11.2MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Referee took 16951.46ms. Allocated memory was 190.8MB in the beginning and 12.7GB in the end (delta: 12.5GB). Free memory was 111.1MB in the beginning and 11.6GB in the end (delta: -11.5GB). Peak memory consumption was 980.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 19:06:58,167 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/output/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-27b4987-m [2024-09-21 19:07:00,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:00,874 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:07:00,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:00,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:00,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:00,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:00,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:00,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:00,915 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:00,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:00,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:00,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:00,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:00,916 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:00,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:00,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:00,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:00,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:00,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:00,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:00,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:00,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:00,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:07:00,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:07:00,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:00,921 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:07:00,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:00,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:00,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:00,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:00,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:00,926 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:00,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:00,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:00,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:00,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:00,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:00,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:00,928 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:07:00,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:07:00,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:00,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:00,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:00,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:00,932 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:07:00,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:01,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:01,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:01,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:01,235 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:01,236 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:01,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/output/witness-2.1.yml [2024-09-21 19:07:01,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:01,289 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:01,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-21 19:07:02,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:03,169 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:03,172 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-21 19:07:03,198 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/24afaebfa/83088721791c4103b68c4ad5c1c1e67d/FLAG4cc5bb7d6 [2024-09-21 19:07:03,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/24afaebfa/83088721791c4103b68c4ad5c1c1e67d [2024-09-21 19:07:03,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:03,218 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:03,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:03,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:03,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:03,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:01" (1/2) ... [2024-09-21 19:07:03,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fbccec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:03, skipping insertion in model container [2024-09-21 19:07:03,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:01" (1/2) ... [2024-09-21 19:07:03,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ae42475 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:03, skipping insertion in model container [2024-09-21 19:07:03,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:03" (2/2) ... [2024-09-21 19:07:03,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fbccec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:03, skipping insertion in model container [2024-09-21 19:07:03,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:03" (2/2) ... [2024-09-21 19:07:03,245 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:03,246 INFO L1541 ArrayList]: Function contract at [L16]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:03,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:03,518 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] [2024-09-21 19:07:03,529 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1116,1129] [2024-09-21 19:07:03,537 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2024-09-21 19:07:03,538 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2024-09-21 19:07:03,541 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[2157,2170] [2024-09-21 19:07:03,542 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[2372,2385] [2024-09-21 19:07:03,549 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] [2024-09-21 19:07:03,551 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] [2024-09-21 19:07:03,554 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] [2024-09-21 19:07:03,558 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] [2024-09-21 19:07:03,564 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] [2024-09-21 19:07:03,565 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] [2024-09-21 19:07:03,569 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] [2024-09-21 19:07:03,571 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] [2024-09-21 19:07:03,854 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] [2024-09-21 19:07:03,858 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] [2024-09-21 19:07:03,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:03,894 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:07:03,939 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] [2024-09-21 19:07:03,940 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] [2024-09-21 19:07:03,942 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] [2024-09-21 19:07:03,944 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] [2024-09-21 19:07:03,949 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] [2024-09-21 19:07:03,950 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] [2024-09-21 19:07:03,952 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] [2024-09-21 19:07:03,957 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] [2024-09-21 19:07:03,959 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] [2024-09-21 19:07:03,960 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] [2024-09-21 19:07:03,965 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] [2024-09-21 19:07:03,966 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] [2024-09-21 19:07:03,968 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] [2024-09-21 19:07:03,969 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] [2024-09-21 19:07:04,084 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] [2024-09-21 19:07:04,088 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] [2024-09-21 19:07:04,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:04,117 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:04,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04 WrapperNode [2024-09-21 19:07:04,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:04,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:04,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:04,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:04,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,203 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:07:04,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:04,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:04,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:04,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:04,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (1/1) ... [2024-09-21 19:07:04,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:04,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:04,335 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) [2024-09-21 19:07:04,345 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 [2024-09-21 19:07:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:07:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:07:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:07:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 19:07:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 19:07:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 19:07:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:04,559 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:04,564 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:04,614 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:05,712 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:05,756 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:05,757 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:07:05,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:05 BoogieIcfgContainer [2024-09-21 19:07:05,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:05,759 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:05,759 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:05,761 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:05,761 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:01" (1/4) ... [2024-09-21 19:07:05,761 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6eeeef8f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:05, skipping insertion in model container [2024-09-21 19:07:05,762 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:03" (2/4) ... [2024-09-21 19:07:05,762 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6eeeef8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:05, skipping insertion in model container [2024-09-21 19:07:05,763 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:04" (3/4) ... [2024-09-21 19:07:05,763 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6eeeef8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:05, skipping insertion in model container [2024-09-21 19:07:05,763 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:05" (4/4) ... [2024-09-21 19:07:05,765 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2024-09-21 19:07:05,768 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:07:05,770 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 325 edges. [2024-09-21 19:07:05,771 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 310 edges. [2024-09-21 19:07:05,772 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 309 edges. [2024-09-21 19:07:05,773 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 325 edges. [2024-09-21 19:07:05,774 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 324 edges. [2024-09-21 19:07:05,774 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 325 edges. [2024-09-21 19:07:05,775 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 323 edges. [2024-09-21 19:07:05,775 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 310 edges. [2024-09-21 19:07:05,776 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 323 edges. [2024-09-21 19:07:05,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 323 edges. [2024-09-21 19:07:05,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 247 edges. [2024-09-21 19:07:05,778 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 324 edges. [2024-09-21 19:07:05,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 309 edges. [2024-09-21 19:07:05,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 247 edges. [2024-09-21 19:07:05,780 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr16ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 547 edges. [2024-09-21 19:07:05,780 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:05,781 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 324 edges. [2024-09-21 19:07:05,782 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 323 edges. [2024-09-21 19:07:05,782 INFO L131 InvariantChecker]: Will check 18 loop-free subgraphs from procedure entry to error location [2024-09-21 19:07:05,965 INFO L314 BlockEncoder]: Initial Icfg 262 locations, 325 edges [2024-09-21 19:07:05,966 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:05,967 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:05,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:05,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:05,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:22,194 INFO L101 BaseMinimizeStates]: Removed 1698 edges and 258 locations by large block encoding [2024-09-21 19:07:22,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:22,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:22,197 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:22,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:25,047 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-21 19:07:25,048 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 19:07:25,053 INFO L158 Benchmark]: Toolchain (without parser) took 21834.36ms. Allocated memory was 94.4MB in the beginning and 13.8GB in the end (delta: 13.7GB). Free memory was 68.5MB in the beginning and 12.6GB in the end (delta: -12.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-09-21 19:07:25,054 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:25,054 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 62.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:25,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 897.52ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 43.5MB in the end (delta: 24.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-09-21 19:07:25,055 INFO L158 Benchmark]: Boogie Preprocessor took 181.15ms. Allocated memory is still 94.4MB. Free memory was 43.5MB in the beginning and 64.1MB in the end (delta: -20.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-21 19:07:25,055 INFO L158 Benchmark]: RCFGBuilder took 1457.79ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 64.1MB in the beginning and 65.7MB in the end (delta: -1.5MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-09-21 19:07:25,056 INFO L158 Benchmark]: Referee took 19291.99ms. Allocated memory was 113.2MB in the beginning and 13.8GB in the end (delta: 13.7GB). Free memory was 65.7MB in the beginning and 12.6GB in the end (delta: -12.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-09-21 19:07:25,061 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 0.24ms. Allocated memory is still 69.2MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 62.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 897.52ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 43.5MB in the end (delta: 24.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.15ms. Allocated memory is still 94.4MB. Free memory was 43.5MB in the beginning and 64.1MB in the end (delta: -20.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1457.79ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 64.1MB in the beginning and 65.7MB in the end (delta: -1.5MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Referee took 19291.99ms. Allocated memory was 113.2MB in the beginning and 13.8GB in the end (delta: 13.7GB). Free memory was 65.7MB in the beginning and 12.6GB in the end (delta: -12.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 19:07:25,091 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