./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+lhb-reducer.yml/witness-2.1.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a9b967e5
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-a9b967e-m
[2024-09-11 20:46:42,480 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-11 20:46:42,582 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-11 20:46:42,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-11 20:46:42,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-11 20:46:42,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-11 20:46:42,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-11 20:46:42,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-11 20:46:42,619 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-11 20:46:42,621 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-11 20:46:42,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-11 20:46:42,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-11 20:46:42,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-11 20:46:42,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-11 20:46:42,624 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-11 20:46:42,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-11 20:46:42,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-11 20:46:42,625 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-11 20:46:42,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-11 20:46:42,625 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-11 20:46:42,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-11 20:46:42,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-11 20:46:42,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-11 20:46:42,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-11 20:46:42,627 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-11 20:46:42,627 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-11 20:46:42,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-11 20:46:42,628 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-11 20:46:42,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-11 20:46:42,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-11 20:46:42,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-11 20:46:42,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-11 20:46:42,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:46:42,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-11 20:46:42,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-11 20:46:42,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-11 20:46:42,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-11 20:46:42,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-11 20:46:42,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-11 20:46:42,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-11 20:46:42,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-11 20:46:42,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-11 20:46:42,632 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-11 20:46:42,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-11 20:46:42,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-11 20:46:42,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-11 20:46:42,893 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-11 20:46:42,894 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-11 20:46:42,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c
[2024-09-11 20:46:44,220 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-11 20:46:44,418 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-11 20:46:44,418 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c
[2024-09-11 20:46:44,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a6c5cb0ac/2e913632b4fe4986b7c747b7cf404b84/FLAG0af7a35bc
[2024-09-11 20:46:44,450 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a6c5cb0ac/2e913632b4fe4986b7c747b7cf404b84
[2024-09-11 20:46:44,452 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-11 20:46:44,452 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-11 20:46:44,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+lhb-reducer.yml/witness-2.1.yml
[2024-09-11 20:46:44,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-11 20:46:44,513 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-11 20:46:44,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-11 20:46:44,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-11 20:46:44,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-11 20:46:44,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:44" (1/2) ...
[2024-09-11 20:46:44,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffe67b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:44, skipping insertion in model container
[2024-09-11 20:46:44,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:44" (1/2) ...
[2024-09-11 20:46:44,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bcd93d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:44, skipping insertion in model container
[2024-09-11 20:46:44,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:44" (2/2) ...
[2024-09-11 20:46:44,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffe67b5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:44, skipping insertion in model container
[2024-09-11 20:46:44,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:44" (2/2) ...
[2024-09-11 20:46:44,552 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-11 20:46:44,554 INFO L1541 ArrayList]: Location invariant before [L26-L1000] ((0 <= main__t) && (main__t <= main__tagbuf_len))
[2024-09-11 20:46:44,555 INFO L1541 ArrayList]: Location invariant before [L132-L284] ((1 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len))
[2024-09-11 20:46:44,555 INFO L1541 ArrayList]: Location invariant before [L858-L947] ((9 <= main__t) && (main__t <= main__tagbuf_len))
[2024-09-11 20:46:44,555 INFO L1541 ArrayList]: Location invariant before [L65-L999] ((1 <= main__t) && (main__t <= main__tagbuf_len))
[2024-09-11 20:46:44,598 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-11 20:46:44,771 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932]
[2024-09-11 20:46:44,777 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147]
[2024-09-11 20:46:44,794 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221]
[2024-09-11 20:46:44,795 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436]
[2024-09-11 20:46:44,797 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931]
[2024-09-11 20:46:44,802 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146]
[2024-09-11 20:46:44,804 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448]
[2024-09-11 20:46:44,811 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666]
[2024-09-11 20:46:44,813 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942]
[2024-09-11 20:46:44,815 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160]
[2024-09-11 20:46:44,817 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730]
[2024-09-11 20:46:44,821 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948]
[2024-09-11 20:46:44,867 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841]
[2024-09-11 20:46:44,874 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059]
[2024-09-11 20:46:44,882 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454]
[2024-09-11 20:46:44,889 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672]
[2024-09-11 20:46:44,895 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:46:44,913 INFO L200 MainTranslator]: Completed pre-run
[2024-09-11 20:46:44,931 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932]
[2024-09-11 20:46:44,933 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147]
[2024-09-11 20:46:44,935 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221]
[2024-09-11 20:46:44,936 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436]
[2024-09-11 20:46:44,938 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931]
[2024-09-11 20:46:44,939 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146]
[2024-09-11 20:46:44,941 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448]
[2024-09-11 20:46:44,943 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666]
[2024-09-11 20:46:44,944 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942]
[2024-09-11 20:46:44,947 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160]
[2024-09-11 20:46:44,949 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730]
[2024-09-11 20:46:44,950 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948]
Start Parsing Local
[2024-09-11 20:46:45,042 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841]
[2024-09-11 20:46:45,044 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059]
[2024-09-11 20:46:45,048 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454]
[2024-09-11 20:46:45,053 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672]
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-09-11 20:46:45,062 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:46:45,081 INFO L204 MainTranslator]: Completed translation
[2024-09-11 20:46:45,082 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45 WrapperNode
[2024-09-11 20:46:45,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-11 20:46:45,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-11 20:46:45,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-11 20:46:45,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-11 20:46:45,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,137 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].
[2024-09-11 20:46:45,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-11 20:46:45,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-11 20:46:45,161 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-11 20:46:45,161 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-11 20:46:45,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (1/1) ...
[2024-09-11 20:46:45,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:46:45,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-11 20:46:45,193 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)
[2024-09-11 20:46:45,197 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
[2024-09-11 20:46:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-11 20:46:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-11 20:46:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-11 20:46:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-11 20:46:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-11 20:46:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-11 20:46:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-11 20:46:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-11 20:46:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-11 20:46:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-11 20:46:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-11 20:46:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-09-11 20:46:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-11 20:46:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-11 20:46:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-11 20:46:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-11 20:46:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-09-11 20:46:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-09-11 20:46:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-11 20:46:45,364 INFO L242 CfgBuilder]: Building ICFG
[2024-09-11 20:46:45,366 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-11 20:46:45,881 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live.
[2024-09-11 20:46:45,881 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-11 20:46:45,906 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-11 20:46:45,906 INFO L318 CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-11 20:46:45,906 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:45 BoogieIcfgContainer
[2024-09-11 20:46:45,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-11 20:46:45,907 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-11 20:46:45,907 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-11 20:46:45,908 INFO L274 PluginConnector]: Referee initialized
[2024-09-11 20:46:45,908 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:44" (1/4) ...
[2024-09-11 20:46:45,910 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78140ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:45, skipping insertion in model container
[2024-09-11 20:46:45,910 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:44" (2/4) ...
[2024-09-11 20:46:45,910 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78140ea4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:45, skipping insertion in model container
[2024-09-11 20:46:45,911 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:45" (3/4) ...
[2024-09-11 20:46:45,911 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78140ea4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:45, skipping insertion in model container
[2024-09-11 20:46:45,911 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:45" (4/4) ...
[2024-09-11 20:46:45,912 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+lhb-reducer.c
[2024-09-11 20:46:45,916 INFO L112 InvariantChecker]: Found 0 loops.
[2024-09-11 20:46:45,917 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 94 edges.
[2024-09-11 20:46:45,918 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges.
[2024-09-11 20:46:45,918 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 61 edges.
[2024-09-11 20:46:45,919 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 94 edges.
[2024-09-11 20:46:45,919 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 49 edges.
[2024-09-11 20:46:45,920 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 93 edges.
[2024-09-11 20:46:45,921 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 92 edges.
[2024-09-11 20:46:45,921 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges.
[2024-09-11 20:46:45,921 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 95 edges.
[2024-09-11 20:46:45,921 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 49 edges.
[2024-09-11 20:46:45,922 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 93 edges.
[2024-09-11 20:46:45,922 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 60 edges.
[2024-09-11 20:46:45,922 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges.
[2024-09-11 20:46:45,922 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 93 edges.
[2024-09-11 20:46:45,923 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 95 edges.
[2024-09-11 20:46:45,924 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 93 edges.
[2024-09-11 20:46:45,924 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges.
[2024-09-11 20:46:45,924 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 51 edges.
[2024-09-11 20:46:45,924 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 94 edges.
[2024-09-11 20:46:45,925 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 95 edges.
[2024-09-11 20:46:45,925 INFO L130 InvariantChecker]: Will check 20 loop-free subgraphs from procedure entry to error location
[2024-09-11 20:46:46,065 INFO L314 BlockEncoder]: Initial Icfg 82 locations, 94 edges
[2024-09-11 20:46:46,066 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:46:46,067 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:46:46,067 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:46:46,068 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:46:46,070 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:46:46,295 INFO L101 BaseMinimizeStates]: Removed 232 edges and 78 locations by large block encoding
[2024-09-11 20:46:46,296 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:46:46,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:46:46,297 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:46:46,297 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:46:46,320 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges
[2024-09-11 20:46:46,321 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.<init>(AcyclicSubgraphMerger.java:169)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.<init>(InvariantChecker.java:144)
at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.<init>(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)
[2024-09-11 20:46:46,327 INFO L158 Benchmark]: Toolchain (without parser) took 1812.82ms. Allocated memory was 134.2MB in the beginning and 205.5MB in the end (delta: 71.3MB). Free memory was 60.1MB in the beginning and 94.2MB in the end (delta: -34.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB.
[2024-09-11 20:46:46,327 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:46:46,327 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:46:46,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.02ms. Allocated memory was 134.2MB in the beginning and 205.5MB in the end (delta: 71.3MB). Free memory was 59.9MB in the beginning and 154.4MB in the end (delta: -94.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB.
[2024-09-11 20:46:46,329 INFO L158 Benchmark]: Boogie Preprocessor took 76.39ms. Allocated memory is still 205.5MB. Free memory was 154.4MB in the beginning and 150.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-09-11 20:46:46,330 INFO L158 Benchmark]: RCFGBuilder took 745.39ms. Allocated memory is still 205.5MB. Free memory was 150.3MB in the beginning and 111.4MB in the end (delta: 38.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2024-09-11 20:46:46,331 INFO L158 Benchmark]: Referee took 417.48ms. Allocated memory is still 205.5MB. Free memory was 111.4MB in the beginning and 94.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-09-11 20:46:46,335 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.<init>(AcyclicSubgraphMerger.java:169)
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 568.02ms. Allocated memory was 134.2MB in the beginning and 205.5MB in the end (delta: 71.3MB). Free memory was 59.9MB in the beginning and 154.4MB in the end (delta: -94.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 76.39ms. Allocated memory is still 205.5MB. Free memory was 154.4MB in the beginning and 150.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 745.39ms. Allocated memory is still 205.5MB. Free memory was 150.3MB in the beginning and 111.4MB in the end (delta: 38.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
* Referee took 417.48ms. Allocated memory is still 205.5MB. Free memory was 111.4MB in the beginning and 94.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-11 20:46:46,366 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+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-a9b967e-m
[2024-09-11 20:46:48,618 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-11 20:46:48,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf
[2024-09-11 20:46:48,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-11 20:46:48,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-11 20:46:48,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-11 20:46:48,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-11 20:46:48,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-11 20:46:48,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-11 20:46:48,746 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-11 20:46:48,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-11 20:46:48,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-11 20:46:48,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-11 20:46:48,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-11 20:46:48,750 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-11 20:46:48,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-11 20:46:48,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-11 20:46:48,751 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-11 20:46:48,752 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-11 20:46:48,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-11 20:46:48,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-11 20:46:48,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-11 20:46:48,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-11 20:46:48,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-09-11 20:46:48,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-09-11 20:46:48,760 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-11 20:46:48,760 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-09-11 20:46:48,761 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-11 20:46:48,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-11 20:46:48,761 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-11 20:46:48,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-11 20:46:48,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-11 20:46:48,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-11 20:46:48,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-11 20:46:48,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:46:48,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-11 20:46:48,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-11 20:46:48,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-11 20:46:48,763 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-09-11 20:46:48,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-09-11 20:46:48,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-11 20:46:48,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-11 20:46:48,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-11 20:46:48,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-11 20:46:48,766 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2024-09-11 20:46:48,766 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-11 20:46:49,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-11 20:46:49,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-11 20:46:49,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-11 20:46:49,129 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-11 20:46:49,130 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-11 20:46:49,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c
[2024-09-11 20:46:50,598 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-11 20:46:50,842 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-11 20:46:50,843 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c
[2024-09-11 20:46:50,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/25906c887/bedda99e59a14b89b87a371da2039cff/FLAGeaa3666e1
[2024-09-11 20:46:51,177 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/25906c887/bedda99e59a14b89b87a371da2039cff
[2024-09-11 20:46:51,179 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-11 20:46:51,180 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-11 20:46:51,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+lhb-reducer.yml/witness-2.1.yml
[2024-09-11 20:46:51,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-11 20:46:51,240 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-11 20:46:51,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-11 20:46:51,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-11 20:46:51,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-11 20:46:51,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:51" (1/2) ...
[2024-09-11 20:46:51,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@739983ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:51, skipping insertion in model container
[2024-09-11 20:46:51,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:51" (1/2) ...
[2024-09-11 20:46:51,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11345e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:51, skipping insertion in model container
[2024-09-11 20:46:51,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:51" (2/2) ...
[2024-09-11 20:46:51,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@739983ab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51, skipping insertion in model container
[2024-09-11 20:46:51,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:51" (2/2) ...
[2024-09-11 20:46:51,279 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-11 20:46:51,279 INFO L1541 ArrayList]: Location invariant before [L858-L947] ((9 <= main__t) && (main__t <= main__tagbuf_len))
[2024-09-11 20:46:51,279 INFO L1541 ArrayList]: Location invariant before [L132-L284] ((1 <= main__t) && (((long long) main__t + 1) <= main__tagbuf_len))
[2024-09-11 20:46:51,280 INFO L1541 ArrayList]: Location invariant before [L65-L999] ((1 <= main__t) && (main__t <= main__tagbuf_len))
[2024-09-11 20:46:51,280 INFO L1541 ArrayList]: Location invariant before [L26-L1000] ((0 <= main__t) && (main__t <= main__tagbuf_len))
[2024-09-11 20:46:51,322 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-11 20:46:51,513 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932]
[2024-09-11 20:46:51,522 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147]
[2024-09-11 20:46:51,532 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221]
[2024-09-11 20:46:51,534 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436]
[2024-09-11 20:46:51,538 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931]
[2024-09-11 20:46:51,543 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146]
[2024-09-11 20:46:51,545 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448]
[2024-09-11 20:46:51,548 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666]
[2024-09-11 20:46:51,551 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942]
[2024-09-11 20:46:51,552 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160]
[2024-09-11 20:46:51,554 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730]
[2024-09-11 20:46:51,557 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948]
[2024-09-11 20:46:51,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841]
[2024-09-11 20:46:51,623 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059]
[2024-09-11 20:46:51,626 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454]
[2024-09-11 20:46:51,630 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672]
[2024-09-11 20:46:51,639 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:46:51,659 INFO L200 MainTranslator]: Completed pre-run
[2024-09-11 20:46:51,675 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932]
[2024-09-11 20:46:51,677 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147]
[2024-09-11 20:46:51,680 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221]
[2024-09-11 20:46:51,683 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436]
[2024-09-11 20:46:51,686 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931]
[2024-09-11 20:46:51,690 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146]
[2024-09-11 20:46:51,691 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448]
[2024-09-11 20:46:51,696 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666]
[2024-09-11 20:46:51,697 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942]
[2024-09-11 20:46:51,698 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160]
[2024-09-11 20:46:51,704 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730]
[2024-09-11 20:46:51,705 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948]
Start Parsing Local
[2024-09-11 20:46:51,791 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841]
[2024-09-11 20:46:51,795 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059]
[2024-09-11 20:46:51,800 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454]
[2024-09-11 20:46:51,802 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672]
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-09-11 20:46:51,810 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:46:51,828 INFO L204 MainTranslator]: Completed translation
[2024-09-11 20:46:51,828 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51 WrapperNode
[2024-09-11 20:46:51,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-11 20:46:51,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-11 20:46:51,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-11 20:46:51,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-11 20:46:51,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,893 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].
[2024-09-11 20:46:51,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-11 20:46:51,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-11 20:46:51,935 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-11 20:46:51,935 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-11 20:46:51,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (1/1) ...
[2024-09-11 20:46:51,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:46:51,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-11 20:46:51,966 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)
[2024-09-11 20:46:51,970 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
[2024-09-11 20:46:52,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-11 20:46:52,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-11 20:46:52,021 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-11 20:46:52,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-11 20:46:52,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-11 20:46:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-11 20:46:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-11 20:46:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-11 20:46:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-11 20:46:52,022 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-11 20:46:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-11 20:46:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-09-11 20:46:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-11 20:46:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-11 20:46:52,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-09-11 20:46:52,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-11 20:46:52,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0
[2024-09-11 20:46:52,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-09-11 20:46:52,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-11 20:46:52,120 INFO L242 CfgBuilder]: Building ICFG
[2024-09-11 20:46:52,122 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-11 20:46:52,705 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live.
[2024-09-11 20:46:52,705 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-11 20:46:52,744 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-11 20:46:52,744 INFO L318 CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-11 20:46:52,744 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:52 BoogieIcfgContainer
[2024-09-11 20:46:52,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-11 20:46:52,745 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-11 20:46:52,745 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-11 20:46:52,746 INFO L274 PluginConnector]: Referee initialized
[2024-09-11 20:46:52,746 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:51" (1/4) ...
[2024-09-11 20:46:52,747 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4373a475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:52, skipping insertion in model container
[2024-09-11 20:46:52,747 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:51" (2/4) ...
[2024-09-11 20:46:52,747 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4373a475 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:52, skipping insertion in model container
[2024-09-11 20:46:52,747 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:51" (3/4) ...
[2024-09-11 20:46:52,748 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4373a475 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:52, skipping insertion in model container
[2024-09-11 20:46:52,748 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:52" (4/4) ...
[2024-09-11 20:46:52,749 INFO L79 RefereeObserver]: Analyzing ICFG apache-get-tag.i.p+lhb-reducer.c
[2024-09-11 20:46:52,752 INFO L112 InvariantChecker]: Found 0 loops.
[2024-09-11 20:46:52,753 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 94 edges.
[2024-09-11 20:46:52,753 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges.
[2024-09-11 20:46:52,754 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 61 edges.
[2024-09-11 20:46:52,754 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 94 edges.
[2024-09-11 20:46:52,755 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 49 edges.
[2024-09-11 20:46:52,756 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 93 edges.
[2024-09-11 20:46:52,756 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 92 edges.
[2024-09-11 20:46:52,756 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges.
[2024-09-11 20:46:52,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 95 edges.
[2024-09-11 20:46:52,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 49 edges.
[2024-09-11 20:46:52,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 93 edges.
[2024-09-11 20:46:52,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 60 edges.
[2024-09-11 20:46:52,759 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges.
[2024-09-11 20:46:52,759 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 93 edges.
[2024-09-11 20:46:52,759 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 95 edges.
[2024-09-11 20:46:52,759 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 93 edges.
[2024-09-11 20:46:52,759 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges.
[2024-09-11 20:46:52,760 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 51 edges.
[2024-09-11 20:46:52,760 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 94 edges.
[2024-09-11 20:46:52,760 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 95 edges.
[2024-09-11 20:46:52,760 INFO L130 InvariantChecker]: Will check 20 loop-free subgraphs from procedure entry to error location
[2024-09-11 20:46:52,896 INFO L314 BlockEncoder]: Initial Icfg 82 locations, 94 edges
[2024-09-11 20:46:52,897 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:46:52,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:46:52,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:46:52,899 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:46:52,901 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:46:53,186 INFO L101 BaseMinimizeStates]: Removed 232 edges and 78 locations by large block encoding
[2024-09-11 20:46:53,189 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:46:53,189 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:46:53,189 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:46:53,190 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:46:53,228 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges
[2024-09-11 20:46:53,229 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.<init>(AcyclicSubgraphMerger.java:169)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.<init>(InvariantChecker.java:144)
at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.<init>(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)
[2024-09-11 20:46:53,235 INFO L158 Benchmark]: Toolchain (without parser) took 1994.13ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 34.1MB in the beginning and 62.0MB in the end (delta: -27.8MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB.
[2024-09-11 20:46:53,236 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 48.2MB. Free memory was 28.9MB in the beginning and 28.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:46:53,236 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 36.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:46:53,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.82ms. Allocated memory is still 67.1MB. Free memory was 34.0MB in the beginning and 40.1MB in the end (delta: -6.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB.
[2024-09-11 20:46:53,237 INFO L158 Benchmark]: Boogie Preprocessor took 103.60ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 36.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-09-11 20:46:53,237 INFO L158 Benchmark]: RCFGBuilder took 810.22ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 35.6MB in the beginning and 49.2MB in the end (delta: -13.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB.
[2024-09-11 20:46:53,238 INFO L158 Benchmark]: Referee took 488.44ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 49.2MB in the beginning and 62.0MB in the end (delta: -12.8MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB.
[2024-09-11 20:46:53,242 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.<init>(AcyclicSubgraphMerger.java:169)
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.12ms. Allocated memory is still 48.2MB. Free memory was 28.9MB in the beginning and 28.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 36.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 587.82ms. Allocated memory is still 67.1MB. Free memory was 34.0MB in the beginning and 40.1MB in the end (delta: -6.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 103.60ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 36.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 810.22ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 35.6MB in the beginning and 49.2MB in the end (delta: -13.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB.
* Referee took 488.44ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 49.2MB in the beginning and 62.0MB in the end (delta: -12.8MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-11 20:46:53,275 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