./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:38:42,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:38:42,760 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:38:42,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:38:42,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:38:42,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:38:42,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:38:42,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:38:42,794 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:38:42,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:38:42,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:38:42,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:38:42,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:38:42,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:38:42,798 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:38:42,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:38:42,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:38:42,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:38:42,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:38:42,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:38:42,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:38:42,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:38:42,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:38:42,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:38:42,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:38:42,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:38:42,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:38:42,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:38:42,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:38:42,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:38:42,803 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:38:42,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:38:42,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:38:42,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:42,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:38:42,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:38:42,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:38:42,805 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:38:42,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:38:42,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:38:42,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:38:42,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:38:42,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:38:42,807 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:38:43,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:38:43,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:38:43,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:38:43,034 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:38:43,039 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:38:43,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-17 19:38:43,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:38:43,134 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:38:43,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-17 19:38:44,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:38:44,621 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:38:44,622 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-17 19:38:44,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5231cd7c4/e8f61fa31e634f81804a252daf978667/FLAG0e32b9d57 [2024-09-17 19:38:44,657 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5231cd7c4/e8f61fa31e634f81804a252daf978667 [2024-09-17 19:38:44,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:38:44,659 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:38:44,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:44,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:38:44,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:38:44,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:43" (1/2) ... [2024-09-17 19:38:44,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576e7965 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:44, skipping insertion in model container [2024-09-17 19:38:44,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:43" (1/2) ... [2024-09-17 19:38:44,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e1df843 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:44, skipping insertion in model container [2024-09-17 19:38:44,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:44" (2/2) ... [2024-09-17 19:38:44,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576e7965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:44, skipping insertion in model container [2024-09-17 19:38:44,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:44" (2/2) ... [2024-09-17 19:38:44,732 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:38:44,733 INFO L1541 ArrayList]: Location invariant before [L132-L282] ((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) [2024-09-17 19:38:44,733 INFO L1541 ArrayList]: Location invariant before [L25-L3002] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-17 19:38:44,733 INFO L1541 ArrayList]: Location invariant before [L64-L3001] (((main__t == 0) || (1 <= main__t)) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-17 19:38:44,733 INFO L1541 ArrayList]: Location invariant before [L2591-L2647] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-17 19:38:44,733 INFO L1541 ArrayList]: Location invariant before [L96-L283] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-17 19:38:44,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:38:44,931 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:44,935 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:44,937 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:44,938 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:44,939 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[2157,2170] [2024-09-17 19:38:44,940 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[2372,2385] [2024-09-17 19:38:44,942 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[2867,2880] [2024-09-17 19:38:44,943 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:44,944 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[3384,3397] [2024-09-17 19:38:44,945 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:44,946 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:44,948 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:44,950 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[4582,4595] [2024-09-17 19:38:44,951 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,116 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,119 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:45,145 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:38:45,156 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,157 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,158 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,159 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,160 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,161 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,163 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,164 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,165 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,166 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,167 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,168 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,170 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,171 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] Start Parsing Local Start Parsing Local [2024-09-17 19:38:45,334 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:38:45,338 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-17 19:38:45,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:45,367 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:38:45,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45 WrapperNode [2024-09-17 19:38:45,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:45,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:38:45,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:38:45,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:38:45,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,400 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,439 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-17 19:38:45,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:38:45,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:38:45,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:38:45,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:38:45,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (1/1) ... [2024-09-17 19:38:45,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:38:45,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-17 19:38:45,524 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-17 19:38:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:38:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:38:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:38:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:38:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:38:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:38:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:38:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:38:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:38:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:38:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:38:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:38:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:38:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:38:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-17 19:38:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:38:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-17 19:38:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-17 19:38:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:38:45,746 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:38:45,748 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:38:46,606 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:38:46,638 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:38:46,638 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:38:46,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:46 BoogieIcfgContainer [2024-09-17 19:38:46,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:38:46,639 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:38:46,639 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:38:46,640 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:38:46,640 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:43" (1/4) ... [2024-09-17 19:38:46,640 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ce32eba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:46, skipping insertion in model container [2024-09-17 19:38:46,640 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:38:44" (2/4) ... [2024-09-17 19:38:46,640 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ce32eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:38:46, skipping insertion in model container [2024-09-17 19:38:46,641 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:45" (3/4) ... [2024-09-17 19:38:46,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ce32eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:38:46, skipping insertion in model container [2024-09-17 19:38:46,641 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:46" (4/4) ... [2024-09-17 19:38:46,642 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2024-09-17 19:38:46,644 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:38:46,645 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 328 edges. [2024-09-17 19:38:46,646 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-17 19:38:46,646 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:38:46,647 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-17 19:38:46,647 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-17 19:38:46,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 328 edges. [2024-09-17 19:38:46,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-17 19:38:46,649 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-17 19:38:46,651 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-17 19:38:46,651 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-17 19:38:46,652 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-17 19:38:46,652 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-17 19:38:46,653 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-17 19:38:46,653 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-17 19:38:46,654 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-17 19:38:46,654 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-17 19:38:46,655 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-17 19:38:46,655 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-17 19:38:46,655 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-17 19:38:46,657 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-17 19:38:46,657 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-17 19:38:46,657 INFO L131 InvariantChecker]: Will check 21 loop-free subgraphs from procedure entry to error location [2024-09-17 19:38:46,828 INFO L314 BlockEncoder]: Initial Icfg 265 locations, 328 edges [2024-09-17 19:38:46,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:46,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:46,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:46,831 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:46,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:52,881 INFO L101 BaseMinimizeStates]: Removed 1283 edges and 261 locations by large block encoding [2024-09-17 19:38:52,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:52,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:52,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:52,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:54,140 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-17 19:38:54,140 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-17 19:38:54,155 INFO L158 Benchmark]: Toolchain (without parser) took 9490.11ms. Allocated memory was 176.2MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 99.4MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 593.5MB. Max. memory is 16.1GB. [2024-09-17 19:38:54,156 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 176.2MB. Free memory was 128.4MB in the beginning and 128.2MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:54,156 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 176.2MB. Free memory is still 145.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:54,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.95ms. Allocated memory was 176.2MB in the beginning and 304.1MB in the end (delta: 127.9MB). Free memory was 99.1MB in the beginning and 228.8MB in the end (delta: -129.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-09-17 19:38:54,157 INFO L158 Benchmark]: Boogie Preprocessor took 121.63ms. Allocated memory is still 304.1MB. Free memory was 228.8MB in the beginning and 220.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-17 19:38:54,157 INFO L158 Benchmark]: RCFGBuilder took 1147.70ms. Allocated memory is still 304.1MB. Free memory was 220.4MB in the beginning and 107.1MB in the end (delta: 113.2MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2024-09-17 19:38:54,157 INFO L158 Benchmark]: Referee took 7509.42ms. Allocated memory was 304.1MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 107.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 473.1MB. Max. memory is 16.1GB. [2024-09-17 19:38:54,160 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 176.2MB. Free memory was 128.4MB in the beginning and 128.2MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.79ms. Allocated memory is still 176.2MB. Free memory is still 145.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.95ms. Allocated memory was 176.2MB in the beginning and 304.1MB in the end (delta: 127.9MB). Free memory was 99.1MB in the beginning and 228.8MB in the end (delta: -129.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.63ms. Allocated memory is still 304.1MB. Free memory was 228.8MB in the beginning and 220.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1147.70ms. Allocated memory is still 304.1MB. Free memory was 220.4MB in the beginning and 107.1MB in the end (delta: 113.2MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. * Referee took 7509.42ms. Allocated memory was 304.1MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 107.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 473.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:38:54,193 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:38:57,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:38:57,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:38:57,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:38:57,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:38:57,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:38:57,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:38:57,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:38:57,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:38:57,357 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:38:57,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:38:57,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:38:57,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:38:57,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:38:57,364 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:38:57,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:38:57,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:38:57,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:38:57,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:38:57,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:38:57,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:38:57,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:38:57,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:38:57,373 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:38:57,373 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:38:57,373 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:38:57,373 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:38:57,374 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:38:57,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:38:57,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:38:57,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:38:57,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:38:57,375 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:38:57,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:38:57,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:38:57,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:57,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:38:57,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:38:57,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:38:57,395 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:38:57,396 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:38:57,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:38:57,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:38:57,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:38:57,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:38:57,397 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:38:57,397 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:38:57,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:38:57,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:38:57,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:38:57,827 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:38:57,827 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:38:57,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-17 19:38:57,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:38:57,891 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:38:57,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-17 19:38:59,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:38:59,682 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:38:59,682 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2024-09-17 19:38:59,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/116af7018/ef3252cd670d472d896fcd6ce796d453/FLAG5fb2070b3 [2024-09-17 19:39:00,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/116af7018/ef3252cd670d472d896fcd6ce796d453 [2024-09-17 19:39:00,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:39:00,008 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:39:00,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:00,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:39:00,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:39:00,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:57" (1/2) ... [2024-09-17 19:39:00,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e8d6be and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:00, skipping insertion in model container [2024-09-17 19:39:00,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:57" (1/2) ... [2024-09-17 19:39:00,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b239ee2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:00, skipping insertion in model container [2024-09-17 19:39:00,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:00" (2/2) ... [2024-09-17 19:39:00,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e8d6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00, skipping insertion in model container [2024-09-17 19:39:00,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:00" (2/2) ... [2024-09-17 19:39:00,050 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:39:00,051 INFO L1541 ArrayList]: Location invariant before [L96-L283] ((1 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-17 19:39:00,051 INFO L1541 ArrayList]: Location invariant before [L132-L282] ((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t)) [2024-09-17 19:39:00,051 INFO L1541 ArrayList]: Location invariant before [L2591-L2647] ((59 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-17 19:39:00,051 INFO L1541 ArrayList]: Location invariant before [L64-L3001] (((main__t == 0) || (1 <= main__t)) && (((long long) main__t + 1) <= main__tagbuf_len)) [2024-09-17 19:39:00,051 INFO L1541 ArrayList]: Location invariant before [L25-L3002] ((0 <= main__t) && (main__t <= main__tagbuf_len)) [2024-09-17 19:39:00,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:39:00,244 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,248 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,254 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,257 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,259 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,263 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,264 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,265 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,279 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,280 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,282 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,284 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,286 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,287 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,485 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,489 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:00,515 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:39:00,530 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,530 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,531 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1625,1638] [2024-09-17 19:39:00,533 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[1840,1853] [2024-09-17 19:39:00,534 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[2157,2170] [2024-09-17 19:39:00,537 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[2372,2385] [2024-09-17 19:39:00,538 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[2867,2880] [2024-09-17 19:39:00,539 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3082,3095] [2024-09-17 19:39:00,539 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[3384,3397] [2024-09-17 19:39:00,540 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,545 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,546 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4096,4109] [2024-09-17 19:39:00,547 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,547 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[4800,4813] Start Parsing Local Start Parsing Local [2024-09-17 19:39:00,721 WARN L248 ndardFunctionHandler]: Function reach_error is already 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] [2024-09-17 19:39:00,728 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c[47907,47920] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-17 19:39:00,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:00,757 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:39:00,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00 WrapperNode [2024-09-17 19:39:00,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:00,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:39:00,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:39:00,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:39:00,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,834 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-17 19:39:00,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:39:00,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:39:00,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:39:00,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:39:00,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (1/1) ... [2024-09-17 19:39:00,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:00,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:39:00,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-17 19:39:00,946 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-17 19:39:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:39:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:39:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:39:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:39:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:39:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:39:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:39:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:39:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:39:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:39:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:39:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:39:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:39:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:39:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-17 19:39:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:39:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-17 19:39:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-17 19:39:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:39:01,209 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:39:01,213 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:39:02,159 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:39:02,182 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:39:02,183 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:39:02,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:02 BoogieIcfgContainer [2024-09-17 19:39:02,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:39:02,184 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:39:02,184 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:39:02,184 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:39:02,184 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:57" (1/4) ... [2024-09-17 19:39:02,185 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b78fadc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:39:02, skipping insertion in model container [2024-09-17 19:39:02,185 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:39:00" (2/4) ... [2024-09-17 19:39:02,185 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b78fadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:02, skipping insertion in model container [2024-09-17 19:39:02,185 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:00" (3/4) ... [2024-09-17 19:39:02,185 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b78fadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:02, skipping insertion in model container [2024-09-17 19:39:02,185 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:02" (4/4) ... [2024-09-17 19:39:02,186 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2024-09-17 19:39:02,189 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:39:02,190 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 328 edges. [2024-09-17 19:39:02,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-17 19:39:02,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:39:02,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-17 19:39:02,192 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-17 19:39:02,192 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 328 edges. [2024-09-17 19:39:02,193 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-17 19:39:02,193 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 314 edges. [2024-09-17 19:39:02,194 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-17 19:39:02,194 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 330 edges. [2024-09-17 19:39:02,195 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-17 19:39:02,195 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-17 19:39:02,195 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-17 19:39:02,196 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-17 19:39:02,196 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 243 edges. [2024-09-17 19:39:02,197 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-17 19:39:02,197 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 251 edges. [2024-09-17 19:39:02,197 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-17 19:39:02,197 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 331 edges. [2024-09-17 19:39:02,198 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 313 edges. [2024-09-17 19:39:02,198 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 329 edges. [2024-09-17 19:39:02,198 INFO L131 InvariantChecker]: Will check 21 loop-free subgraphs from procedure entry to error location [2024-09-17 19:39:02,311 INFO L314 BlockEncoder]: Initial Icfg 265 locations, 328 edges [2024-09-17 19:39:02,312 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:02,313 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:02,313 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:02,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:02,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:10,103 INFO L101 BaseMinimizeStates]: Removed 1283 edges and 261 locations by large block encoding [2024-09-17 19:39:10,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:10,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:10,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:10,107 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:11,562 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-17 19:39:11,564 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-17 19:39:11,568 INFO L158 Benchmark]: Toolchain (without parser) took 11558.74ms. Allocated memory was 62.9MB in the beginning and 7.3GB in the end (delta: 7.2GB). Free memory was 38.7MB in the beginning and 6.4GB in the end (delta: -6.4GB). Peak memory consumption was 857.7MB. Max. memory is 16.1GB. [2024-09-17 19:39:11,568 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 44.0MB. Free memory was 19.4MB in the beginning and 19.4MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:11,569 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 44.0MB. Free memory was 27.3MB in the beginning and 27.3MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:11,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.59ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 38.4MB in the beginning and 45.1MB in the end (delta: -6.7MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-09-17 19:39:11,569 INFO L158 Benchmark]: Boogie Preprocessor took 145.10ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 36.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-17 19:39:11,570 INFO L158 Benchmark]: RCFGBuilder took 1278.62ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 36.7MB in the beginning and 39.4MB in the end (delta: -2.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-09-17 19:39:11,570 INFO L158 Benchmark]: Referee took 9382.85ms. Allocated memory was 102.8MB in the beginning and 7.3GB in the end (delta: 7.2GB). Free memory was 39.4MB in the beginning and 6.4GB in the end (delta: -6.4GB). Peak memory consumption was 818.8MB. Max. memory is 16.1GB. [2024-09-17 19:39:11,573 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 44.0MB. Free memory was 19.4MB in the beginning and 19.4MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 44.0MB. Free memory was 27.3MB in the beginning and 27.3MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.59ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 38.4MB in the beginning and 45.1MB in the end (delta: -6.7MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.10ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 36.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1278.62ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 36.7MB in the beginning and 39.4MB in the end (delta: -2.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Referee took 9382.85ms. Allocated memory was 102.8MB in the beginning and 7.3GB in the end (delta: 7.2GB). Free memory was 39.4MB in the beginning and 6.4GB in the end (delta: -6.4GB). Peak memory consumption was 818.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:39:11,604 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