./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 04d6fb36
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReachWitnessValidation.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/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m
[2024-09-15 20:10:14,795 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-15 20:10:14,853 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-09-15 20:10:14,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-15 20:10:14,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-15 20:10:14,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-15 20:10:14,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-15 20:10:14,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-15 20:10:14,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-15 20:10:14,886 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-15 20:10:14,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-15 20:10:14,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-15 20:10:14,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-15 20:10:14,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-15 20:10:14,889 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-15 20:10:14,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-15 20:10:14,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-15 20:10:14,889 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-15 20:10:14,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-15 20:10:14,890 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-15 20:10:14,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-15 20:10:14,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-15 20:10:14,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-15 20:10:14,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-15 20:10:14,892 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-15 20:10:14,892 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-15 20:10:14,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-15 20:10:14,893 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-15 20:10:14,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-15 20:10:14,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-15 20:10:14,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-15 20:10:14,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-15 20:10:14,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-15 20:10:14,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-15 20:10:14,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-15 20:10:14,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-15 20:10:14,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-15 20:10:14,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-15 20:10:14,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-15 20:10:14,894 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-15 20:10:14,894 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-15 20:10:14,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-15 20:10:14,896 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/automizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-15 20:10:15,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-15 20:10:15,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-15 20:10:15,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-15 20:10:15,178 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-15 20:10:15,178 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-15 20:10:15,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c
[2024-09-15 20:10:16,470 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-15 20:10:16,651 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-15 20:10:16,652 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c
[2024-09-15 20:10:16,665 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/6cf99ba67/39499d3695f54948825b7fe0dda4d678/FLAG77da33b95
[2024-09-15 20:10:17,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/6cf99ba67/39499d3695f54948825b7fe0dda4d678
[2024-09-15 20:10:17,043 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-15 20:10:17,043 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-15 20:10:17,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-get-tag.i.p+lhb-reducer.yml/witness-2.1.yml
[2024-09-15 20:10:17,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-15 20:10:17,084 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-15 20:10:17,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-15 20:10:17,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-15 20:10:17,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-15 20:10:17,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:10:17" (1/2) ...
[2024-09-15 20:10:17,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d44a335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:17, skipping insertion in model container
[2024-09-15 20:10:17,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:10:17" (1/2) ...
[2024-09-15 20:10:17,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11c1f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:17, skipping insertion in model container
[2024-09-15 20:10:17,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:10:17" (2/2) ...
[2024-09-15 20:10:17,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d44a335 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:10:17, skipping insertion in model container
[2024-09-15 20:10:17,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:10:17" (2/2) ...
[2024-09-15 20:10:17,108 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-15 20:10:17,108 INFO L1541 ArrayList]: Location invariant before [L26-L1000] ((0 <= main__t) && (main__t <= main__tagbuf_len))
[2024-09-15 20:10:17,108 INFO L1541 ArrayList]: Location invariant before [L65-L999] ((1 <= main__t) && (main__t <= main__tagbuf_len))
[2024-09-15 20:10:17,108 INFO L1541 ArrayList]: Location invariant before [L132-L284] ((((long long) main__t + 1) <= main__tagbuf_len) && (1 <= main__t))
[2024-09-15 20:10:17,108 INFO L1541 ArrayList]: Location invariant before [L858-L947] ((9 <= main__t) && (main__t <= main__tagbuf_len))
[2024-09-15 20:10:17,145 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-15 20:10:17,287 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+lhb-reducer.c[919,932]
[2024-09-15 20:10:17,291 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+lhb-reducer.c[1134,1147]
[2024-09-15 20:10:17,298 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+lhb-reducer.c[2208,2221]
[2024-09-15 20:10:17,302 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+lhb-reducer.c[2423,2436]
[2024-09-15 20:10:17,305 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+lhb-reducer.c[2918,2931]
[2024-09-15 20:10:17,308 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+lhb-reducer.c[3133,3146]
[2024-09-15 20:10:17,309 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+lhb-reducer.c[3435,3448]
[2024-09-15 20:10:17,311 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+lhb-reducer.c[3653,3666]
[2024-09-15 20:10:17,314 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+lhb-reducer.c[3929,3942]
[2024-09-15 20:10:17,315 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+lhb-reducer.c[4147,4160]
[2024-09-15 20:10:17,316 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+lhb-reducer.c[4717,4730]
[2024-09-15 20:10:17,317 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+lhb-reducer.c[4935,4948]
[2024-09-15 20:10:17,356 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+lhb-reducer.c[15828,15841]
[2024-09-15 20:10:17,357 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+lhb-reducer.c[16046,16059]
[2024-09-15 20:10:17,365 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+lhb-reducer.c[16441,16454]
[2024-09-15 20:10:17,369 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+lhb-reducer.c[16659,16672]
[2024-09-15 20:10:17,373 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-15 20:10:17,389 INFO L200 MainTranslator]: Completed pre-run
[2024-09-15 20:10:17,403 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+lhb-reducer.c[919,932]
[2024-09-15 20:10:17,406 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+lhb-reducer.c[1134,1147]
[2024-09-15 20:10:17,408 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+lhb-reducer.c[2208,2221]
[2024-09-15 20:10:17,411 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+lhb-reducer.c[2423,2436]
[2024-09-15 20:10:17,413 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+lhb-reducer.c[2918,2931]
[2024-09-15 20:10:17,417 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+lhb-reducer.c[3133,3146]
[2024-09-15 20:10:17,418 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+lhb-reducer.c[3435,3448]
[2024-09-15 20:10:17,418 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+lhb-reducer.c[3653,3666]
[2024-09-15 20:10:17,422 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+lhb-reducer.c[3929,3942]
[2024-09-15 20:10:17,423 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+lhb-reducer.c[4147,4160]
[2024-09-15 20:10:17,424 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+lhb-reducer.c[4717,4730]
[2024-09-15 20:10:17,429 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+lhb-reducer.c[4935,4948]
Start Parsing Local
[2024-09-15 20:10:17,483 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+lhb-reducer.c[15828,15841]
[2024-09-15 20:10:17,489 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+lhb-reducer.c[16046,16059]
[2024-09-15 20:10:17,494 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+lhb-reducer.c[16441,16454]
[2024-09-15 20:10:17,495 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+lhb-reducer.c[16659,16672]
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-09-15 20:10:17,502 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-15 20:10:17,518 INFO L204 MainTranslator]: Completed translation
[2024-09-15 20:10:17,519 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:10:17 WrapperNode
[2024-09-15 20:10:17,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-15 20:10:17,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-15 20:10:17,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-15 20:10:17,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-15 20:10:17,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,574 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 698
[2024-09-15 20:10:17,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-15 20:10:17,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-15 20:10:17,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-15 20:10:17,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-15 20:10:17,584 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,585 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,588 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,599 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-09-15 20:10:17,599 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,599 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,606 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,610 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,615 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,617 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-15 20:10:17,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-15 20:10:17,625 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-15 20:10:17,625 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-15 20:10:17,625 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 15.09 08:10:17" (1/1) ...
[2024-09-15 20:10:17,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-15 20:10:17,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-15 20:10:17,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-15 20:10:17,654 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-15 20:10:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-15 20:10:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-15 20:10:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-15 20:10:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-15 20:10:17,781 INFO L242 CfgBuilder]: Building ICFG
[2024-09-15 20:10:17,783 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-15 20:10:18,185 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live.
[2024-09-15 20:10:18,185 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-15 20:10:18,210 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-15 20:10:18,210 INFO L318 CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-15 20:10:18,210 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:10:18 BoogieIcfgContainer
[2024-09-15 20:10:18,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-15 20:10:18,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-15 20:10:18,212 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-09-15 20:10:18,218 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-09-15 20:10:18,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:10:17" (1/4) ...
[2024-09-15 20:10:18,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b578c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:10:18, skipping insertion in model container
[2024-09-15 20:10:18,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:10:17" (2/4) ...
[2024-09-15 20:10:18,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b578c64 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 15.09 08:10:18, skipping insertion in model container
[2024-09-15 20:10:18,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:10:17" (3/4) ...
[2024-09-15 20:10:18,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b578c64 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 15.09 08:10:18, skipping insertion in model container
[2024-09-15 20:10:18,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:10:18" (4/4) ...
[2024-09-15 20:10:18,220 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+lhb-reducer.c
[2024-09-15 20:10:18,231 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-15 20:10:18,232 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations.
[2024-09-15 20:10:18,275 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-09-15 20:10:18,282 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5e2b0f39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-15 20:10:18,282 INFO L337 AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2024-09-15 20:10:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 106 states have (on average 1.9245283018867925) internal successors, (204), 126 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-09-15 20:10:18,291 INFO L208 NwaCegarLoop]: Found error trace
[2024-09-15 20:10:18,292 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-09-15 20:10:18,292 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 17 more)] ===
[2024-09-15 20:10:18,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-15 20:10:18,305 INFO L85 PathProgramCache]: Analyzing trace with hash 464777, now seen corresponding path program 1 times
[2024-09-15 20:10:18,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-15 20:10:18,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538872446]
[2024-09-15 20:10:18,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:10:18,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-15 20:10:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-15 20:10:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-15 20:10:18,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-15 20:10:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538872446]
[2024-09-15 20:10:18,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538872446] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-15 20:10:18,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-15 20:10:18,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-09-15 20:10:18,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004057150]
[2024-09-15 20:10:18,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-15 20:10:18,520 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-15 20:10:18,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-15 20:10:18,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-15 20:10:18,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-15 20:10:18,555 INFO L87 Difference]: Start difference. First operand has 127 states, 106 states have (on average 1.9245283018867925) internal successors, (204), 126 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:18,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-15 20:10:18,588 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions.
[2024-09-15 20:10:18,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-09-15 20:10:18,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2024-09-15 20:10:18,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-15 20:10:18,595 INFO L225 Difference]: With dead ends: 16
[2024-09-15 20:10:18,595 INFO L226 Difference]: Without dead ends: 13
[2024-09-15 20:10:18,597 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-15 20:10:18,599 INFO L434 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-15 20:10:18,600 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-15 20:10:18,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-09-15 20:10:18,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-09-15 20:10:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions.
[2024-09-15 20:10:18,623 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 3
[2024-09-15 20:10:18,623 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-09-15 20:10:18,623 INFO L474 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions.
[2024-09-15 20:10:18,623 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions.
[2024-09-15 20:10:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-09-15 20:10:18,624 INFO L208 NwaCegarLoop]: Found error trace
[2024-09-15 20:10:18,624 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-09-15 20:10:18,624 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-15 20:10:18,624 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 17 more)] ===
[2024-09-15 20:10:18,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-15 20:10:18,625 INFO L85 PathProgramCache]: Analyzing trace with hash 446653076, now seen corresponding path program 1 times
[2024-09-15 20:10:18,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-15 20:10:18,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205404290]
[2024-09-15 20:10:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:10:18,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-15 20:10:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-09-15 20:10:18,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-09-15 20:10:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-09-15 20:10:18,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-09-15 20:10:18,675 INFO L326 BasicCegarLoop]: Counterexample is feasible
[2024-09-15 20:10:18,677 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 20 remaining)
[2024-09-15 20:10:18,678 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 20 remaining)
[2024-09-15 20:10:18,678 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (17 of 20 remaining)
[2024-09-15 20:10:18,678 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (16 of 20 remaining)
[2024-09-15 20:10:18,678 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (15 of 20 remaining)
[2024-09-15 20:10:18,679 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (14 of 20 remaining)
[2024-09-15 20:10:18,679 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 20 remaining)
[2024-09-15 20:10:18,679 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (12 of 20 remaining)
[2024-09-15 20:10:18,679 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (11 of 20 remaining)
[2024-09-15 20:10:18,679 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (10 of 20 remaining)
[2024-09-15 20:10:18,679 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (9 of 20 remaining)
[2024-09-15 20:10:18,680 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (8 of 20 remaining)
[2024-09-15 20:10:18,680 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (7 of 20 remaining)
[2024-09-15 20:10:18,680 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (6 of 20 remaining)
[2024-09-15 20:10:18,681 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (5 of 20 remaining)
[2024-09-15 20:10:18,681 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 20 remaining)
[2024-09-15 20:10:18,681 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (3 of 20 remaining)
[2024-09-15 20:10:18,681 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (2 of 20 remaining)
[2024-09-15 20:10:18,682 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (1 of 20 remaining)
[2024-09-15 20:10:18,683 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (0 of 20 remaining)
[2024-09-15 20:10:18,683 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-09-15 20:10:18,687 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-09-15 20:10:18,700 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-09-15 20:10:18,702 INFO L469 ceAbstractionStarter]: Automizer considered 4 witness invariants
[2024-09-15 20:10:18,702 INFO L470 ceAbstractionStarter]: WitnessConsidered=4
[2024-09-15 20:10:18,702 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:10:18 BoogieIcfgContainer
[2024-09-15 20:10:18,703 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-15 20:10:18,703 INFO L158 Benchmark]: Toolchain (without parser) took 1618.88ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 35.7MB in the end (delta: 2.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB.
[2024-09-15 20:10:18,703 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 25.4MB in the beginning and 25.3MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-15 20:10:18,704 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 71.3MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-15 20:10:18,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.83ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 32.3MB in the end (delta: 5.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
[2024-09-15 20:10:18,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.12ms. Allocated memory is still 71.3MB. Free memory was 32.3MB in the beginning and 49.1MB in the end (delta: -16.9MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB.
[2024-09-15 20:10:18,704 INFO L158 Benchmark]: Boogie Preprocessor took 49.04ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 45.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-15 20:10:18,705 INFO L158 Benchmark]: RCFGBuilder took 585.77ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.6MB in the beginning and 41.2MB in the end (delta: 4.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB.
[2024-09-15 20:10:18,705 INFO L158 Benchmark]: TraceAbstraction took 490.72ms. Allocated memory is still 86.0MB. Free memory was 40.3MB in the beginning and 35.7MB in the end (delta: 4.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB.
[2024-09-15 20:10:18,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 25.4MB in the beginning and 25.3MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.09ms. Allocated memory is still 71.3MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 432.83ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 32.3MB in the end (delta: 5.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 55.12ms. Allocated memory is still 71.3MB. Free memory was 32.3MB in the beginning and 49.1MB in the end (delta: -16.9MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 49.04ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 45.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 585.77ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.6MB in the beginning and 41.2MB in the end (delta: 4.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 490.72ms. Allocated memory is still 86.0MB. Free memory was 40.3MB in the beginning and 35.7MB in the end (delta: 4.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 65]: invariant of correctness witness can be violated
invariant of correctness witness can be violated
We found a FailurePath:
[L1] int __return_main;
[L12] int __return_2598;
[L13] int __tmp_2624_0;
[L14] int __tmp_2624_1;
[L15] int __tmp_3137_0;
[L16] int __tmp_3137_1;
[L19] int main__tagbuf_len;
[L20] int main__t;
[L21] main__tagbuf_len = __VERIFIER_nondet_int()
[L22] COND TRUE main__tagbuf_len >= 1
[L24] main__t = 0
[L25] main__tagbuf_len = main__tagbuf_len - 1
VAL [__return_2598=0, __return_main=0, __tmp_2624_0=0, __tmp_2624_1=0, __tmp_3137_0=0, __tmp_3137_1=0, main__t=0, main__tagbuf_len=1]
[L26] //@ assert ((0 <= main__t) && (main__t <= main__tagbuf_len));
VAL [__return_2598=0, __return_main=0, __tmp_2624_0=0, __tmp_2624_1=0, __tmp_3137_0=0, __tmp_3137_1=0, main__t=0, main__tagbuf_len=1]
[L26] COND FALSE !(main__t == main__tagbuf_len)
[L63] int main____CPAchecker_TMP_0;
[L64] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int()
[L65] //@ assert ((1 <= main__t) && (main__t <= main__tagbuf_len));
VAL [__return_2598=0, __return_main=0, __tmp_2624_0=0, __tmp_2624_1=0, __tmp_3137_0=0, __tmp_3137_1=0, main____CPAchecker_TMP_0=0]
- UnprovableResult [Line: 26]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 36]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 105]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 117]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 132]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 145]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 157]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 173]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 185]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 207]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 219]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 257]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 269]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 858]: Unable to prove that invariant of correctness witness holds
Unable to prove that invariant of correctness witness holds
Reason: Not analyzed.
- UnprovableResult [Line: 883]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 895]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 919]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 931]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 127 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 8 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-09-15 20:10:18,731 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE