./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_15x0-1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.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/recursive-simple/sum_15x0-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.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 20:54:33,344 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-11 20:54:33,412 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-11 20:54:33,417 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-11 20:54:33,418 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-11 20:54:33,447 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-11 20:54:33,449 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-11 20:54:33,450 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-11 20:54:33,451 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-11 20:54:33,453 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-11 20:54:33,453 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-11 20:54:33,454 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-11 20:54:33,454 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-11 20:54:33,455 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-11 20:54:33,457 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-11 20:54:33,457 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-11 20:54:33,457 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-11 20:54:33,458 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-11 20:54:33,458 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-11 20:54:33,458 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-11 20:54:33,458 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-11 20:54:33,461 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-11 20:54:33,461 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-11 20:54:33,462 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-11 20:54:33,462 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-11 20:54:33,462 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-11 20:54:33,462 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-11 20:54:33,462 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-11 20:54:33,463 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-11 20:54:33,463 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-11 20:54:33,463 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-11 20:54:33,463 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-11 20:54:33,464 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:54:33,464 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-11 20:54:33,464 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-11 20:54:33,464 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-11 20:54:33,464 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-11 20:54:33,465 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-11 20:54:33,465 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-11 20:54:33,467 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-11 20:54:33,468 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-11 20:54:33,468 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-11 20:54:33,468 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-11 20:54:33,733 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-11 20:54:33,764 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-11 20:54:33,767 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-11 20:54:33,769 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-11 20:54:33,770 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-11 20:54:33,772 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_15x0-1.c
[2024-09-11 20:54:35,254 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-11 20:54:35,428 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-11 20:54:35,428 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_15x0-1.c
[2024-09-11 20:54:35,436 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/810f3c488/ca674fb470e44f669d5fced4d935270a/FLAG519fa8ca7
[2024-09-11 20:54:35,448 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/810f3c488/ca674fb470e44f669d5fced4d935270a
[2024-09-11 20:54:35,450 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-11 20:54:35,451 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-11 20:54:35,452 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.yml/witness-2.1.yml
[2024-09-11 20:54:35,497 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-11 20:54:35,498 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-11 20:54:35,501 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-11 20:54:35,502 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-11 20:54:35,506 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-11 20:54:35,507 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:35" (1/2) ...
[2024-09-11 20:54:35,510 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715ff8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35, skipping insertion in model container
[2024-09-11 20:54:35,510 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:35" (1/2) ...
[2024-09-11 20:54:35,511 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28f616fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35, skipping insertion in model container
[2024-09-11 20:54:35,512 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 08:54:35" (2/2) ...
[2024-09-11 20:54:35,512 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715ff8f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:35, skipping insertion in model container
[2024-09-11 20:54:35,512 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 08:54:35" (2/2) ...
[2024-09-11 20:54:35,519 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-11 20:54:35,520 INFO  L1541             ArrayList]: Function contract at [L5]: requires null, ensures (\result == (\old(n) + \old(m)))
[2024-09-11 20:54:35,535 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-11 20:54:35,694 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/recursive-simple/sum_15x0-1.c[481,494]
[2024-09-11 20:54:35,698 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:54:35,731 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
[2024-09-11 20:54:35,778 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/recursive-simple/sum_15x0-1.c[481,494]
[2024-09-11 20:54:35,779 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:54:35,793 INFO  L204         MainTranslator]: Completed translation
[2024-09-11 20:54:35,794 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:35 WrapperNode
[2024-09-11 20:54:35,794 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-11 20:54:35,795 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-11 20:54:35,795 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-11 20:54:35,795 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-11 20:54:35,808 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,808 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,814 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,823 WARN  L109           MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure sum is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-11 20:54:35,824 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,824 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,831 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,832 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,835 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,836 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,837 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-11 20:54:35,838 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-11 20:54:35,838 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-11 20:54:35,838 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-11 20:54:35,840 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 08:54:35" (1/1) ...
[2024-09-11 20:54:35,845 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:54:35,854 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-11 20:54:35,895 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 20:54:35,897 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 20:54:35,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-11 20:54:35,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-11 20:54:35,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-11 20:54:35,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure sum
[2024-09-11 20:54:35,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2024-09-11 20:54:35,938 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2024-09-11 20:54:35,938 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-11 20:54:35,938 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-11 20:54:35,938 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-11 20:54:35,938 INFO  L130     BoogieDeclarations]: Found specification of procedure sum
[2024-09-11 20:54:35,938 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2024-09-11 20:54:35,938 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-11 20:54:35,938 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-11 20:54:35,938 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-11 20:54:35,939 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-09-11 20:54:35,939 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-09-11 20:54:35,939 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-11 20:54:35,996 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-11 20:54:35,997 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-11 20:54:36,108 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-09-11 20:54:36,109 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-11 20:54:36,129 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-11 20:54:36,129 INFO  L318             CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-11 20:54:36,129 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:36 BoogieIcfgContainer
[2024-09-11 20:54:36,129 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-11 20:54:36,130 INFO  L112        PluginConnector]: ------------------------Referee----------------------------
[2024-09-11 20:54:36,130 INFO  L270        PluginConnector]: Initializing Referee...
[2024-09-11 20:54:36,133 INFO  L274        PluginConnector]: Referee initialized
[2024-09-11 20:54:36,133 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:35" (1/4) ...
[2024-09-11 20:54:36,133 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5641df43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:36, skipping insertion in model container
[2024-09-11 20:54:36,134 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 08:54:35" (2/4) ...
[2024-09-11 20:54:36,134 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5641df43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:36, skipping insertion in model container
[2024-09-11 20:54:36,134 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 08:54:35" (3/4) ...
[2024-09-11 20:54:36,134 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5641df43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:36, skipping insertion in model container
[2024-09-11 20:54:36,135 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 08:54:36" (4/4) ...
[2024-09-11 20:54:36,136 INFO  L79         RefereeObserver]: Analyzing ICFG sum_15x0-1.c
[2024-09-11 20:54:36,139 INFO  L112       InvariantChecker]: Found 0 loops.
[2024-09-11 20:54:36,140 INFO  L367       InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges.
[2024-09-11 20:54:36,140 INFO  L367       InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC sumErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges.
[2024-09-11 20:54:36,140 INFO  L130       InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location
[2024-09-11 20:54:36,169 INFO  L314           BlockEncoder]: Initial Icfg 6 locations, 5 edges
[2024-09-11 20:54:36,170 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-11 20:54:36,170 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:54:36,170 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:54:36,178 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:54:36,180 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:54:36,195 INFO  L101     BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding
[2024-09-11 20:54:36,197 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:54:36,197 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:54:36,197 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:54:36,198 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-11 20:54:36,198 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:54:36,216 INFO  L514       InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-11 20:54:36,228 INFO  L314           BlockEncoder]: Initial Icfg 6 locations, 6 edges
[2024-09-11 20:54:36,231 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-11 20:54:36,231 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:54:36,232 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:54:36,232 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:54:36,232 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:54:36,253 INFO  L101     BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding
[2024-09-11 20:54:36,254 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:54:36,254 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:54:36,254 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:54:36,254 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-11 20:54:36,257 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:54:36,259 INFO  L514       InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location sumErr0ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-11 20:54:36,262 INFO  L58          RefereeStarter]: Annotation is a valid proof of correctness
[2024-09-11 20:54:36,262 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5641df43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:36, skipping insertion in model container
[2024-09-11 20:54:36,262 INFO  L131        PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-11 20:54:36,265 INFO  L158              Benchmark]: Toolchain (without parser) took 764.88ms. Allocated memory is still 155.2MB. Free memory was 84.7MB in the beginning and 101.3MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:54:36,266 INFO  L158              Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:54:36,266 INFO  L158              Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:54:36,267 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 293.08ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 122.8MB in the end (delta: -38.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-11 20:54:36,267 INFO  L158              Benchmark]: Boogie Preprocessor took 42.16ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 121.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-11 20:54:36,268 INFO  L158              Benchmark]: RCFGBuilder took 291.70ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 108.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-11 20:54:36,269 INFO  L158              Benchmark]: Referee took 132.33ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 101.3MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-09-11 20:54:36,271 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
  - AnnotationCheckResult: Annotation is a valid proof of correctness
    Annotation is a valid proof of correctness
Annotation is valid for all loop-free paths from entry of procedure sum to exit of procedure sum.
Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 18.

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 293.08ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 122.8MB in the end (delta: -38.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 42.16ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 121.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 291.70ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 108.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Referee took 132.33ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 101.3MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-11 20:54:36,303 INFO  L540       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-simple/sum_15x0-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.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 20:54:38,491 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-11 20:54:38,557 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf
[2024-09-11 20:54:38,562 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-11 20:54:38,563 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-11 20:54:38,603 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-11 20:54:38,604 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-11 20:54:38,604 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-11 20:54:38,605 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-11 20:54:38,605 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-11 20:54:38,606 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-11 20:54:38,606 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-11 20:54:38,607 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-11 20:54:38,609 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-11 20:54:38,609 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-11 20:54:38,609 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-11 20:54:38,610 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-11 20:54:38,610 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-11 20:54:38,610 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-11 20:54:38,611 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-11 20:54:38,611 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-11 20:54:38,612 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-11 20:54:38,613 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-11 20:54:38,613 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-09-11 20:54:38,614 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-09-11 20:54:38,614 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-11 20:54:38,614 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-09-11 20:54:38,614 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-11 20:54:38,615 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-11 20:54:38,615 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-11 20:54:38,616 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-11 20:54:38,617 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-11 20:54:38,617 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-11 20:54:38,617 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-11 20:54:38,617 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:54:38,618 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-11 20:54:38,626 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-11 20:54:38,626 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-11 20:54:38,627 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-09-11 20:54:38,627 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-09-11 20:54:38,627 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-11 20:54:38,627 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-11 20:54:38,628 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-11 20:54:38,628 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-11 20:54:38,629 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2024-09-11 20:54:38,629 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-11 20:54:38,956 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-11 20:54:38,975 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-11 20:54:38,978 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-11 20:54:38,980 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-11 20:54:38,981 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-11 20:54:38,983 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.yml/witness-2.1.yml
[2024-09-11 20:54:39,043 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-11 20:54:39,044 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-11 20:54:39,044 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_15x0-1.c
[2024-09-11 20:54:40,610 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-11 20:54:40,786 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-11 20:54:40,787 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_15x0-1.c
[2024-09-11 20:54:40,794 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7fa894e4c/15c5f56b413f43c895e9479241c715d8/FLAGa53d5ed4c
[2024-09-11 20:54:40,813 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7fa894e4c/15c5f56b413f43c895e9479241c715d8
[2024-09-11 20:54:40,815 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-11 20:54:40,817 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-11 20:54:40,820 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-11 20:54:40,821 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-11 20:54:40,826 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-11 20:54:40,826 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 08:54:39" (1/2) ...
[2024-09-11 20:54:40,827 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211643f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40, skipping insertion in model container
[2024-09-11 20:54:40,830 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 08:54:39" (1/2) ...
[2024-09-11 20:54:40,831 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e1b0c85 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40, skipping insertion in model container
[2024-09-11 20:54:40,831 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:40" (2/2) ...
[2024-09-11 20:54:40,832 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211643f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:40, skipping insertion in model container
[2024-09-11 20:54:40,832 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:40" (2/2) ...
[2024-09-11 20:54:40,839 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-11 20:54:40,842 INFO  L1541             ArrayList]: Function contract at [L5]: requires null, ensures (\result == (\old(n) + \old(m)))
[2024-09-11 20:54:40,858 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-11 20:54:41,043 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/recursive-simple/sum_15x0-1.c[481,494]
[2024-09-11 20:54:41,050 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:54:41,065 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
[2024-09-11 20:54:41,104 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/recursive-simple/sum_15x0-1.c[481,494]
[2024-09-11 20:54:41,105 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:54:41,129 INFO  L204         MainTranslator]: Completed translation
[2024-09-11 20:54:41,130 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41 WrapperNode
[2024-09-11 20:54:41,130 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-11 20:54:41,131 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-11 20:54:41,131 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-11 20:54:41,131 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-11 20:54:41,144 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,144 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,151 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,159 WARN  L109           MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure sum is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-11 20:54:41,160 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,160 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,166 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,168 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,169 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,170 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,176 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-11 20:54:41,177 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-11 20:54:41,177 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-11 20:54:41,177 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-11 20:54:41,178 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ...
[2024-09-11 20:54:41,185 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:54:41,194 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-11 20:54:41,211 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 20:54:41,215 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 20:54:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-11 20:54:41,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-11 20:54:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-11 20:54:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure sum
[2024-09-11 20:54:41,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2024-09-11 20:54:41,259 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2024-09-11 20:54:41,260 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-11 20:54:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-11 20:54:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-11 20:54:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure sum
[2024-09-11 20:54:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2024-09-11 20:54:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-11 20:54:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-09-11 20:54:41,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-11 20:54:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE1
[2024-09-11 20:54:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2024-09-11 20:54:41,262 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-11 20:54:41,337 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-11 20:54:41,339 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-11 20:54:41,499 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-09-11 20:54:41,500 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-11 20:54:41,530 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-11 20:54:41,530 INFO  L318             CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-11 20:54:41,531 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:41 BoogieIcfgContainer
[2024-09-11 20:54:41,531 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-11 20:54:41,535 INFO  L112        PluginConnector]: ------------------------Referee----------------------------
[2024-09-11 20:54:41,535 INFO  L270        PluginConnector]: Initializing Referee...
[2024-09-11 20:54:41,535 INFO  L274        PluginConnector]: Referee initialized
[2024-09-11 20:54:41,536 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 08:54:39" (1/4) ...
[2024-09-11 20:54:41,537 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@395025d9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:41, skipping insertion in model container
[2024-09-11 20:54:41,537 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:40" (2/4) ...
[2024-09-11 20:54:41,537 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@395025d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:41, skipping insertion in model container
[2024-09-11 20:54:41,537 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (3/4) ...
[2024-09-11 20:54:41,538 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@395025d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:41, skipping insertion in model container
[2024-09-11 20:54:41,538 INFO  L184        PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:41" (4/4) ...
[2024-09-11 20:54:41,539 INFO  L79         RefereeObserver]: Analyzing ICFG sum_15x0-1.c
[2024-09-11 20:54:41,542 INFO  L112       InvariantChecker]: Found 0 loops.
[2024-09-11 20:54:41,543 INFO  L367       InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges.
[2024-09-11 20:54:41,543 INFO  L367       InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC sumErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges.
[2024-09-11 20:54:41,543 INFO  L130       InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location
[2024-09-11 20:54:41,579 INFO  L314           BlockEncoder]: Initial Icfg 6 locations, 5 edges
[2024-09-11 20:54:41,580 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-11 20:54:41,581 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:54:41,581 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:54:41,582 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:54:41,584 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:54:41,598 INFO  L101     BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding
[2024-09-11 20:54:41,603 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:54:41,603 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:54:41,603 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:54:41,604 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-11 20:54:41,604 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:54:41,622 INFO  L514       InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-11 20:54:41,637 INFO  L314           BlockEncoder]: Initial Icfg 6 locations, 6 edges
[2024-09-11 20:54:41,637 INFO  L264           BlockEncoder]: Using Maximize final states
[2024-09-11 20:54:41,637 INFO  L271           BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:54:41,637 INFO  L277           BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:54:41,638 INFO  L172           BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:54:41,638 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:54:41,660 INFO  L101     BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding
[2024-09-11 20:54:41,661 INFO  L71     MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:54:41,661 INFO  L101     BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:54:41,661 INFO  L238           BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:54:41,661 INFO  L68        ParallelComposer]: Creating parallel compositions
[2024-09-11 20:54:41,665 INFO  L314           BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:54:41,667 INFO  L514       InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location sumErr0ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-11 20:54:41,670 INFO  L58          RefereeStarter]: Annotation is a valid proof of correctness
[2024-09-11 20:54:41,671 INFO  L204        PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@395025d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:41, skipping insertion in model container
[2024-09-11 20:54:41,671 INFO  L131        PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-11 20:54:41,675 INFO  L158              Benchmark]: Toolchain (without parser) took 858.06ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 32.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB.
[2024-09-11 20:54:41,676 INFO  L158              Benchmark]: Witness Parser took 1.03ms. Allocated memory is still 48.2MB. Free memory was 23.6MB in the beginning and 23.5MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:54:41,676 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 31.5MB in the beginning and 31.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:54:41,677 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 311.00ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 39.2MB in the end (delta: -4.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB.
[2024-09-11 20:54:41,678 INFO  L158              Benchmark]: Boogie Preprocessor took 44.98ms. Allocated memory is still 67.1MB. Free memory was 39.2MB in the beginning and 37.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:54:41,679 INFO  L158              Benchmark]: RCFGBuilder took 357.41ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 41.4MB in the end (delta: -4.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
[2024-09-11 20:54:41,679 INFO  L158              Benchmark]: Referee took 139.07ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 32.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-09-11 20:54:41,682 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
  - AnnotationCheckResult: Annotation is a valid proof of correctness
    Annotation is a valid proof of correctness
Annotation is valid for all loop-free paths from entry of procedure sum to exit of procedure sum.
Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 18.

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Witness Parser took 1.03ms. Allocated memory is still 48.2MB. Free memory was 23.6MB in the beginning and 23.5MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB.
 * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 31.5MB in the beginning and 31.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 311.00ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 39.2MB in the end (delta: -4.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 44.98ms. Allocated memory is still 67.1MB. Free memory was 39.2MB in the beginning and 37.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 357.41ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 41.4MB in the end (delta: -4.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
 * Referee took 139.07ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 32.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-11 20:54:41,708 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:
UNKNOWN