./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_eq2.yml/witness-2.1.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version ca4ee3dd
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/recursified_loop-invariants/recursified_eq2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_eq2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m
[2024-09-20 20:12:58,893 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-20 20:12:58,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-20 20:12:58,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-20 20:12:58,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-20 20:12:58,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-20 20:12:58,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-20 20:12:58,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-20 20:12:58,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-20 20:12:58,964 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-20 20:12:58,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-20 20:12:58,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-20 20:12:58,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-20 20:12:58,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-20 20:12:58,966 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-20 20:12:58,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-20 20:12:58,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-20 20:12:58,968 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-20 20:12:58,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-20 20:12:58,968 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-20 20:12:58,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-20 20:12:58,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-20 20:12:58,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-20 20:12:58,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-20 20:12:58,971 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-20 20:12:58,971 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-20 20:12:58,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-20 20:12:58,972 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-20 20:12:58,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-20 20:12:58,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-20 20:12:58,972 INFO L153 SettingsManager]: * Future-live optimization=false
[2024-09-20 20:12:58,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-20 20:12:58,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-20 20:12:58,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 20:12:58,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-20 20:12:58,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-20 20:12:58,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-20 20:12:58,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-20 20:12:58,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-20 20:12:58,974 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-20 20:12:58,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-20 20:12:58,974 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-20 20:12:58,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-20 20:12:58,975 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-20 20:12:59,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-20 20:12:59,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-20 20:12:59,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-20 20:12:59,201 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-20 20:12:59,202 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-20 20:12:59,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c
[2024-09-20 20:13:00,392 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-20 20:13:00,544 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-20 20:13:00,545 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c
[2024-09-20 20:13:00,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/de93768dd/749456d8aa104a939ef148521d4964ed/FLAG51a78f4fc
[2024-09-20 20:13:00,964 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/de93768dd/749456d8aa104a939ef148521d4964ed
[2024-09-20 20:13:00,966 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-20 20:13:00,966 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-20 20:13:00,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_eq2.yml/witness-2.1.yml
[2024-09-20 20:13:01,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-20 20:13:01,008 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-20 20:13:01,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-20 20:13:01,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-20 20:13:01,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-20 20:13:01,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:13:00" (1/2) ...
[2024-09-20 20:13:01,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faef8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:01, skipping insertion in model container
[2024-09-20 20:13:01,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:13:00" (1/2) ...
[2024-09-20 20:13:01,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45d190f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:01, skipping insertion in model container
[2024-09-20 20:13:01,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:13:01" (2/2) ...
[2024-09-20 20:13:01,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faef8a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:13:01, skipping insertion in model container
[2024-09-20 20:13:01,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:13:01" (2/2) ...
[2024-09-20 20:13:01,023 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-20 20:13:01,024 INFO L1541 ArrayList]: Function contract at [L21]: requires (\old(cond) != 0), ensures (\old(cond) != 0)
[2024-09-20 20:13:01,038 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-20 20:13:01,170 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c[973,986]
[2024-09-20 20:13:01,183 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-20 20:13:01,194 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-20 20:13:01,221 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/recursified_loop-invariants/recursified_eq2.c[973,986]
[2024-09-20 20:13:01,224 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-20 20:13:01,238 INFO L204 MainTranslator]: Completed translation
[2024-09-20 20:13:01,238 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:13:01 WrapperNode
[2024-09-20 20:13:01,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-20 20:13:01,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-20 20:13:01,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-20 20:13:01,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-20 20:13:01,249 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,249 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,256 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,267 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-20 20:13:01,267 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,267 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,271 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,272 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,273 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,273 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-20 20:13:01,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-20 20:13:01,275 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-20 20:13:01,275 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-20 20:13:01,276 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 20.09 08:13:01" (1/1) ...
[2024-09-20 20:13:01,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 20:13:01,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-20 20:13:01,300 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)
[2024-09-20 20:13:01,301 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
[2024-09-20 20:13:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-20 20:13:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-20 20:13:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-20 20:13:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-20 20:13:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_18_0
[2024-09-20 20:13:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-20 20:13:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-20 20:13:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-20 20:13:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-20 20:13:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-20 20:13:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2024-09-20 20:13:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-20 20:13:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_18_0
[2024-09-20 20:13:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-09-20 20:13:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-09-20 20:13:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-20 20:13:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-09-20 20:13:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-20 20:13:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-20 20:13:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-20 20:13:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-20 20:13:01,398 INFO L242 CfgBuilder]: Building ICFG
[2024-09-20 20:13:01,401 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-20 20:13:01,513 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-20 20:13:01,529 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-20 20:13:01,552 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-20 20:13:01,553 INFO L318 CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-20 20:13:01,553 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:13:01 BoogieIcfgContainer
[2024-09-20 20:13:01,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-20 20:13:01,554 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-20 20:13:01,554 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-20 20:13:01,555 INFO L274 PluginConnector]: Referee initialized
[2024-09-20 20:13:01,555 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:13:00" (1/4) ...
[2024-09-20 20:13:01,555 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c36cdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:13:01, skipping insertion in model container
[2024-09-20 20:13:01,555 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:13:01" (2/4) ...
[2024-09-20 20:13:01,555 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c36cdc0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:13:01, skipping insertion in model container
[2024-09-20 20:13:01,555 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 20.09 08:13:01" (3/4) ...
[2024-09-20 20:13:01,556 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c36cdc0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:13:01, skipping insertion in model container
[2024-09-20 20:13:01,556 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:13:01" (4/4) ...
[2024-09-20 20:13:01,556 INFO L79 RefereeObserver]: Analyzing ICFG recursified_eq2.c
[2024-09-20 20:13:01,559 INFO L113 InvariantChecker]: Found 0 loops.
[2024-09-20 20:13:01,560 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges.
[2024-09-20 20:13:01,560 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-20 20:13:01,560 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-20 20:13:01,560 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location
[2024-09-20 20:13:01,588 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges
[2024-09-20 20:13:01,589 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-20 20:13:01,590 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-20 20:13:01,590 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-20 20:13:01,591 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-20 20:13:01,592 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-20 20:13:01,605 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding
[2024-09-20 20:13:01,606 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-20 20:13:01,606 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-20 20:13:01,607 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-20 20:13:01,607 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-20 20:13:01,607 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-20 20:13:01,648 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-20 20:13:01,648 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-20 20:13:01,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-20 20:13:01,648 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-20 20:13:01,648 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-20 20:13:01,649 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-20 20:13:01,653 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-20 20:13:01,656 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-20 20:13:01,656 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-20 20:13:01,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-20 20:13:01,656 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-20 20:13:01,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-20 20:13:01,662 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-20 20:13:01,671 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-20 20:13:01,674 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-20 20:13:01,674 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-20 20:13:01,674 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-20 20:13:01,674 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-20 20:13:01,674 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-20 20:13:01,676 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-20 20:13:01,679 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-20 20:13:01,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-20 20:13:01,679 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-20 20:13:01,680 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-20 20:13:01,680 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-20 20:13:01,681 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-20 20:13:01,692 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness.
[2024-09-20 20:13:01,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c36cdc0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:13:01, skipping insertion in model container
[2024-09-20 20:13:01,693 INFO L131 PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-20 20:13:01,695 INFO L158 Benchmark]: Toolchain (without parser) took 686.29ms. Allocated memory is still 201.3MB. Free memory was 169.1MB in the beginning and 153.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB.
[2024-09-20 20:13:01,696 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 79.7MB in the beginning and 79.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 20:13:01,696 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 171.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 20:13:01,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.19ms. Allocated memory is still 201.3MB. Free memory was 169.1MB in the beginning and 155.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-20 20:13:01,698 INFO L158 Benchmark]: Boogie Preprocessor took 35.10ms. Allocated memory is still 201.3MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-20 20:13:01,698 INFO L158 Benchmark]: RCFGBuilder took 278.43ms. Allocated memory is still 201.3MB. Free memory was 153.4MB in the beginning and 164.8MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-09-20 20:13:01,699 INFO L158 Benchmark]: Referee took 139.37ms. Allocated memory is still 201.3MB. Free memory was 164.8MB in the beginning and 153.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-20 20:13:01,701 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
- AnnotationCheckResult: Annotation is not a valid proof of correctness.
Annotation is not a valid proof of correctness.
Annotation is not valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 60. One counterexample starts in and ends in w=2240, x=2240, y={-2:0}, z={-1:0}.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 25.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert.
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 79.7MB in the beginning and 79.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 171.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 229.19ms. Allocated memory is still 201.3MB. Free memory was 169.1MB in the beginning and 155.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.10ms. Allocated memory is still 201.3MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 278.43ms. Allocated memory is still 201.3MB. Free memory was 153.4MB in the beginning and 164.8MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Referee took 139.37ms. Allocated memory is still 201.3MB. Free memory was 164.8MB in the beginning and 153.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
RESULT: Ultimate proved your program to be incorrect!
[2024-09-20 20:13:01,730 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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE