./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv_valuebound100.yml/witness-2.1.yml --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 5189fb62
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-5189fb6-m
[2024-09-13 06:19:29,887 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-13 06:19:29,934 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-09-13 06:19:29,938 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-13 06:19:29,938 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-13 06:19:29,955 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-13 06:19:29,955 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-13 06:19:29,956 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-13 06:19:29,956 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-13 06:19:29,957 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-13 06:19:29,957 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-13 06:19:29,957 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-13 06:19:29,958 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-13 06:19:29,958 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-13 06:19:29,958 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-13 06:19:29,959 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-13 06:19:29,959 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-13 06:19:29,959 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-13 06:19:29,960 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-13 06:19:29,960 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-13 06:19:29,960 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-13 06:19:29,961 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-13 06:19:29,961 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-13 06:19:29,961 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-13 06:19:29,962 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-13 06:19:29,962 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-13 06:19:29,962 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-13 06:19:29,962 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-13 06:19:29,963 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-13 06:19:29,963 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-13 06:19:29,963 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-13 06:19:29,964 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-13 06:19:29,964 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 06:19:29,964 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-13 06:19:29,964 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-13 06:19:29,964 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-13 06:19:29,965 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-13 06:19:29,965 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-13 06:19:29,965 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-13 06:19:29,965 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-13 06:19:29,965 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-13 06:19:29,967 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-13 06:19:29,967 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/automizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-13 06:19:30,182 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-13 06:19:30,202 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-13 06:19:30,205 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-13 06:19:30,206 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-13 06:19:30,207 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-13 06:19:30,209 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv_valuebound100.yml/witness-2.1.yml
[2024-09-13 06:19:30,265 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-13 06:19:30,269 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-13 06:19:30,270 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c
[2024-09-13 06:19:31,644 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-13 06:19:31,786 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-13 06:19:31,787 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c
[2024-09-13 06:19:31,793 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/c327f1ef6/e81a7d8255584e8183232cf5db1106be/FLAGb0d625fc9
[2024-09-13 06:19:32,203 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/c327f1ef6/e81a7d8255584e8183232cf5db1106be
[2024-09-13 06:19:32,204 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-13 06:19:32,205 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-13 06:19:32,207 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-13 06:19:32,207 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-13 06:19:32,212 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-13 06:19:32,212 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 06:19:30" (1/2) ...
[2024-09-13 06:19:32,215 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661feb77 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:19:32, skipping insertion in model container
[2024-09-13 06:19:32,215 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 06:19:30" (1/2) ...
[2024-09-13 06:19:32,216 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@537b3b4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:19:32, skipping insertion in model container
[2024-09-13 06:19:32,217 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 06:19:32" (2/2) ...
[2024-09-13 06:19:32,217 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661feb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32, skipping insertion in model container
[2024-09-13 06:19:32,217 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 06:19:32" (2/2) ...
[2024-09-13 06:19:32,224 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-13 06:19:32,227 INFO  L1541             ArrayList]: Loop invariant at [L35-L48] (((((long long) x2 * y1) + y3) + y2) == x1)
[2024-09-13 06:19:32,227 INFO  L1541             ArrayList]: Function contract at [L15]: requires (1 <= \old(cond)), ensures (1 <= \old(cond))
[2024-09-13 06:19:32,247 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-13 06:19:32,392 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/nla-digbench-scaling/mannadiv_valuebound100.c[573,586]
[2024-09-13 06:19:32,449 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-13 06:19:32,464 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-13 06:19:32,515 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/nla-digbench-scaling/mannadiv_valuebound100.c[573,586]
Start Parsing Local
[2024-09-13 06:19:32,524 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-13 06:19:32,538 INFO  L204         MainTranslator]: Completed translation
[2024-09-13 06:19:32,539 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32 WrapperNode
[2024-09-13 06:19:32,539 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-13 06:19:32,540 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-13 06:19:32,541 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-13 06:19:32,541 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-13 06:19:32,547 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,552 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,566 INFO  L138                Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43
[2024-09-13 06:19:32,567 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-13 06:19:32,568 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-13 06:19:32,568 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-13 06:19:32,568 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-13 06:19:32,577 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,578 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,580 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,591 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
[2024-09-13 06:19:32,595 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,595 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,598 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,601 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,602 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,603 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,606 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-13 06:19:32,607 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-13 06:19:32,607 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-13 06:19:32,607 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-13 06:19:32,608 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (1/1) ...
[2024-09-13 06:19:32,616 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 06:19:32,624 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-13 06:19:32,643 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-13 06:19:32,657 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-13 06:19:32,701 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-13 06:19:32,701 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-13 06:19:32,702 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-13 06:19:32,702 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-13 06:19:32,702 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-13 06:19:32,702 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-13 06:19:32,702 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-13 06:19:32,702 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-13 06:19:32,765 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-13 06:19:32,767 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-13 06:19:32,907 WARN  L783   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-13 06:19:32,930 INFO  L?                        ?]: Removed 24 outVars from TransFormulas that were not future-live.
[2024-09-13 06:19:32,930 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-13 06:19:32,962 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-13 06:19:32,962 INFO  L318             CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-13 06:19:32,963 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 06:19:32 BoogieIcfgContainer
[2024-09-13 06:19:32,963 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-13 06:19:32,966 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-13 06:19:32,967 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-09-13 06:19:32,970 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-09-13 06:19:32,970 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 06:19:30" (1/4) ...
[2024-09-13 06:19:32,971 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fe0192 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.09 06:19:32, skipping insertion in model container
[2024-09-13 06:19:32,971 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 06:19:32" (2/4) ...
[2024-09-13 06:19:32,971 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fe0192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 06:19:32, skipping insertion in model container
[2024-09-13 06:19:32,971 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:19:32" (3/4) ...
[2024-09-13 06:19:32,972 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fe0192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 06:19:32, skipping insertion in model container
[2024-09-13 06:19:32,972 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 06:19:32" (4/4) ...
[2024-09-13 06:19:32,973 INFO  L112   eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound100.c
[2024-09-13 06:19:32,989 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-13 06:19:32,989 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2024-09-13 06:19:33,034 INFO  L335      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-09-13 06:19:33,043 INFO  L336      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@67ed6f7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-13 06:19:33,044 INFO  L337      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-09-13 06:19:33,048 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 26 states, 16 states have (on average 1.5625) internal successors, (25), 19 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-09-13 06:19:33,056 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-09-13 06:19:33,056 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 06:19:33,057 INFO  L216           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-09-13 06:19:33,057 INFO  L399      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-13 06:19:33,065 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 06:19:33,066 INFO  L85        PathProgramCache]: Analyzing trace with hash 895337930, now seen corresponding path program 1 times
[2024-09-13 06:19:33,075 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 06:19:33,075 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568631467]
[2024-09-13 06:19:33,076 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 06:19:33,076 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 06:19:33,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,208 INFO  L381   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-09-13 06:19:33,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,218 INFO  L381   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-09-13 06:19:33,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,227 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-09-13 06:19:33,227 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 06:19:33,227 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568631467]
[2024-09-13 06:19:33,228 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568631467] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-13 06:19:33,228 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-13 06:19:33,228 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-09-13 06:19:33,232 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590981376]
[2024-09-13 06:19:33,233 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-13 06:19:33,240 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-09-13 06:19:33,241 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 06:19:33,285 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-09-13 06:19:33,286 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-09-13 06:19:33,288 INFO  L87              Difference]: Start difference. First operand  has 26 states, 16 states have (on average 1.5625) internal successors, (25), 19 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-09-13 06:19:33,311 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 06:19:33,311 INFO  L93              Difference]: Finished difference Result 26 states and 29 transitions.
[2024-09-13 06:19:33,312 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-09-13 06:19:33,314 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13
[2024-09-13 06:19:33,314 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 06:19:33,319 INFO  L225             Difference]: With dead ends: 26
[2024-09-13 06:19:33,320 INFO  L226             Difference]: Without dead ends: 24
[2024-09-13 06:19:33,321 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-09-13 06:19:33,325 INFO  L434           NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 06:19:33,326 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 06:19:33,340 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-09-13 06:19:33,351 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-09-13 06:19:33,352 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-09-13 06:19:33,353 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions.
[2024-09-13 06:19:33,354 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 13
[2024-09-13 06:19:33,354 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 06:19:33,354 INFO  L474      AbstractCegarLoop]: Abstraction has 24 states and 27 transitions.
[2024-09-13 06:19:33,354 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-09-13 06:19:33,355 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions.
[2024-09-13 06:19:33,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-09-13 06:19:33,355 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 06:19:33,355 INFO  L216           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-09-13 06:19:33,356 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-13 06:19:33,356 INFO  L399      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-13 06:19:33,356 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 06:19:33,356 INFO  L85        PathProgramCache]: Analyzing trace with hash 504157962, now seen corresponding path program 1 times
[2024-09-13 06:19:33,357 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 06:19:33,357 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268785851]
[2024-09-13 06:19:33,357 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 06:19:33,357 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 06:19:33,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-09-13 06:19:33,379 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1380827802]
[2024-09-13 06:19:33,379 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 06:19:33,379 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-13 06:19:33,380 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-13 06:19:33,383 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-09-13 06:19:33,387 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-09-13 06:19:33,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,433 INFO  L262         TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-09-13 06:19:33,437 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-09-13 06:19:33,474 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-09-13 06:19:33,474 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-09-13 06:19:33,474 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 06:19:33,474 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268785851]
[2024-09-13 06:19:33,475 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-09-13 06:19:33,475 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380827802]
[2024-09-13 06:19:33,475 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380827802] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-13 06:19:33,475 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-13 06:19:33,475 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-09-13 06:19:33,476 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115882812]
[2024-09-13 06:19:33,476 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-13 06:19:33,477 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-13 06:19:33,477 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 06:19:33,477 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-13 06:19:33,477 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-13 06:19:33,478 INFO  L87              Difference]: Start difference. First operand 24 states and 27 transitions. Second operand  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-09-13 06:19:33,507 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 06:19:33,507 INFO  L93              Difference]: Finished difference Result 29 states and 35 transitions.
[2024-09-13 06:19:33,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-13 06:19:33,508 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13
[2024-09-13 06:19:33,508 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 06:19:33,509 INFO  L225             Difference]: With dead ends: 29
[2024-09-13 06:19:33,509 INFO  L226             Difference]: Without dead ends: 29
[2024-09-13 06:19:33,509 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-13 06:19:33,510 INFO  L434           NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 06:19:33,511 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 36 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 06:19:33,511 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-09-13 06:19:33,514 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27.
[2024-09-13 06:19:33,514 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 21 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4)
[2024-09-13 06:19:33,515 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions.
[2024-09-13 06:19:33,515 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 13
[2024-09-13 06:19:33,516 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 06:19:33,516 INFO  L474      AbstractCegarLoop]: Abstraction has 27 states and 31 transitions.
[2024-09-13 06:19:33,517 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-09-13 06:19:33,517 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions.
[2024-09-13 06:19:33,517 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-09-13 06:19:33,517 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 06:19:33,517 INFO  L216           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-13 06:19:33,533 INFO  L552       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-09-13 06:19:33,721 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-13 06:19:33,722 INFO  L399      AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-13 06:19:33,723 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 06:19:33,723 INFO  L85        PathProgramCache]: Analyzing trace with hash -1087997810, now seen corresponding path program 1 times
[2024-09-13 06:19:33,723 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 06:19:33,723 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67694344]
[2024-09-13 06:19:33,723 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 06:19:33,723 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 06:19:33,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,837 INFO  L381   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-09-13 06:19:33,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,841 INFO  L381   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-09-13 06:19:33,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,845 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-09-13 06:19:33,845 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 06:19:33,845 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67694344]
[2024-09-13 06:19:33,845 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67694344] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-13 06:19:33,845 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-13 06:19:33,845 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-13 06:19:33,846 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728983371]
[2024-09-13 06:19:33,846 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-13 06:19:33,846 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-13 06:19:33,846 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 06:19:33,847 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-13 06:19:33,847 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-13 06:19:33,847 INFO  L87              Difference]: Start difference. First operand 27 states and 31 transitions. Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-09-13 06:19:33,853 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 06:19:33,854 INFO  L93              Difference]: Finished difference Result 25 states and 29 transitions.
[2024-09-13 06:19:33,854 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-13 06:19:33,854 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18
[2024-09-13 06:19:33,854 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 06:19:33,856 INFO  L225             Difference]: With dead ends: 25
[2024-09-13 06:19:33,856 INFO  L226             Difference]: Without dead ends: 25
[2024-09-13 06:19:33,856 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-13 06:19:33,857 INFO  L434           NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 06:19:33,857 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 06:19:33,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-09-13 06:19:33,859 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-09-13 06:19:33,860 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4)
[2024-09-13 06:19:33,860 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions.
[2024-09-13 06:19:33,860 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 18
[2024-09-13 06:19:33,861 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 06:19:33,861 INFO  L474      AbstractCegarLoop]: Abstraction has 25 states and 29 transitions.
[2024-09-13 06:19:33,861 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-09-13 06:19:33,861 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions.
[2024-09-13 06:19:33,861 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-09-13 06:19:33,861 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 06:19:33,862 INFO  L216           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-13 06:19:33,862 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-09-13 06:19:33,862 INFO  L399      AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-13 06:19:33,862 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 06:19:33,862 INFO  L85        PathProgramCache]: Analyzing trace with hash -1087997649, now seen corresponding path program 1 times
[2024-09-13 06:19:33,863 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 06:19:33,863 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816921842]
[2024-09-13 06:19:33,863 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 06:19:33,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 06:19:33,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,900 INFO  L381   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-09-13 06:19:33,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,904 INFO  L381   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-09-13 06:19:33,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:33,908 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-09-13 06:19:33,908 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 06:19:33,908 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816921842]
[2024-09-13 06:19:33,909 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816921842] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-13 06:19:33,909 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-13 06:19:33,909 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-09-13 06:19:33,909 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022070517]
[2024-09-13 06:19:33,909 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-13 06:19:33,909 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-13 06:19:33,909 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 06:19:33,910 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-13 06:19:33,910 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-13 06:19:33,910 INFO  L87              Difference]: Start difference. First operand 25 states and 29 transitions. Second operand  has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-09-13 06:19:33,924 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 06:19:33,924 INFO  L93              Difference]: Finished difference Result 24 states and 28 transitions.
[2024-09-13 06:19:33,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-13 06:19:33,924 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18
[2024-09-13 06:19:33,925 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 06:19:33,925 INFO  L225             Difference]: With dead ends: 24
[2024-09-13 06:19:33,925 INFO  L226             Difference]: Without dead ends: 24
[2024-09-13 06:19:33,925 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-13 06:19:33,926 INFO  L434           NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 06:19:33,927 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 37 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 06:19:33,927 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-09-13 06:19:33,931 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-09-13 06:19:33,931 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4)
[2024-09-13 06:19:33,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions.
[2024-09-13 06:19:33,932 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 18
[2024-09-13 06:19:33,932 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 06:19:33,932 INFO  L474      AbstractCegarLoop]: Abstraction has 24 states and 27 transitions.
[2024-09-13 06:19:33,932 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-09-13 06:19:33,932 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions.
[2024-09-13 06:19:33,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-09-13 06:19:33,933 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 06:19:33,933 INFO  L216           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-13 06:19:33,933 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-09-13 06:19:33,934 INFO  L399      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-13 06:19:33,934 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 06:19:33,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 1580254912, now seen corresponding path program 1 times
[2024-09-13 06:19:33,934 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 06:19:33,934 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637154085]
[2024-09-13 06:19:33,934 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 06:19:33,935 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 06:19:33,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:34,058 INFO  L381   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-09-13 06:19:34,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:34,062 INFO  L381   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-09-13 06:19:34,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:34,065 INFO  L381   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2024-09-13 06:19:34,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:34,085 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-09-13 06:19:34,085 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 06:19:34,085 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637154085]
[2024-09-13 06:19:34,085 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637154085] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-13 06:19:34,085 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-13 06:19:34,085 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-13 06:19:34,086 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362064592]
[2024-09-13 06:19:34,086 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-13 06:19:34,086 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-13 06:19:34,086 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 06:19:34,087 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-13 06:19:34,087 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-09-13 06:19:34,087 INFO  L87              Difference]: Start difference. First operand 24 states and 27 transitions. Second operand  has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-09-13 06:19:34,132 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 06:19:34,132 INFO  L93              Difference]: Finished difference Result 23 states and 26 transitions.
[2024-09-13 06:19:34,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-09-13 06:19:34,132 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21
[2024-09-13 06:19:34,133 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 06:19:34,133 INFO  L225             Difference]: With dead ends: 23
[2024-09-13 06:19:34,133 INFO  L226             Difference]: Without dead ends: 22
[2024-09-13 06:19:34,133 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-09-13 06:19:34,134 INFO  L434           NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 06:19:34,134 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 06:19:34,135 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-09-13 06:19:34,136 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-09-13 06:19:34,137 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4)
[2024-09-13 06:19:34,137 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions.
[2024-09-13 06:19:34,137 INFO  L78                 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 21
[2024-09-13 06:19:34,137 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 06:19:34,137 INFO  L474      AbstractCegarLoop]: Abstraction has 22 states and 25 transitions.
[2024-09-13 06:19:34,138 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-09-13 06:19:34,138 INFO  L276                IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions.
[2024-09-13 06:19:34,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-09-13 06:19:34,138 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 06:19:34,138 INFO  L216           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-13 06:19:34,138 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-09-13 06:19:34,139 INFO  L399      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-13 06:19:34,139 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 06:19:34,139 INFO  L85        PathProgramCache]: Analyzing trace with hash 1743263697, now seen corresponding path program 1 times
[2024-09-13 06:19:34,139 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 06:19:34,139 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492518243]
[2024-09-13 06:19:34,139 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 06:19:34,140 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 06:19:34,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-09-13 06:19:34,150 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046127916]
[2024-09-13 06:19:34,150 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 06:19:34,150 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-13 06:19:34,150 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-13 06:19:34,151 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-09-13 06:19:34,153 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-09-13 06:19:34,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 06:19:34,195 INFO  L262         TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-09-13 06:19:34,197 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-09-13 06:19:34,305 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-09-13 06:19:34,305 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-09-13 06:19:34,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-09-13 06:19:34,375 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 06:19:34,376 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492518243]
[2024-09-13 06:19:34,376 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-09-13 06:19:34,376 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046127916]
[2024-09-13 06:19:34,376 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046127916] provided 1 perfect and 1 imperfect interpolant sequences
[2024-09-13 06:19:34,376 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-09-13 06:19:34,376 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-09-13 06:19:34,376 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095454917]
[2024-09-13 06:19:34,376 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-13 06:19:34,377 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-13 06:19:34,377 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 06:19:34,377 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-13 06:19:34,377 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-09-13 06:19:34,377 INFO  L87              Difference]: Start difference. First operand 22 states and 25 transitions. Second operand  has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-09-13 06:19:34,393 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 06:19:34,393 INFO  L93              Difference]: Finished difference Result 20 states and 23 transitions.
[2024-09-13 06:19:34,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-13 06:19:34,394 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22
[2024-09-13 06:19:34,394 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 06:19:34,394 INFO  L225             Difference]: With dead ends: 20
[2024-09-13 06:19:34,394 INFO  L226             Difference]: Without dead ends: 0
[2024-09-13 06:19:34,394 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-09-13 06:19:34,395 INFO  L434           NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 06:19:34,395 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 33 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 06:19:34,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-09-13 06:19:34,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-09-13 06:19:34,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-13 06:19:34,396 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-09-13 06:19:34,396 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22
[2024-09-13 06:19:34,396 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 06:19:34,397 INFO  L474      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-09-13 06:19:34,397 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-09-13 06:19:34,397 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-09-13 06:19:34,397 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-09-13 06:19:34,400 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining)
[2024-09-13 06:19:34,403 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONPRE_CONDITION (3 of 5 remaining)
[2024-09-13 06:19:34,404 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONPRE_CONDITION (2 of 5 remaining)
[2024-09-13 06:19:34,404 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining)
[2024-09-13 06:19:34,404 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION (0 of 5 remaining)
[2024-09-13 06:19:34,422 INFO  L552       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-09-13 06:19:34,604 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-09-13 06:19:34,608 INFO  L408         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-09-13 06:19:34,610 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-09-13 06:19:34,611 INFO  L469   ceAbstractionStarter]: Automizer considered 1 witness invariants
[2024-09-13 06:19:34,612 INFO  L470   ceAbstractionStarter]: WitnessConsidered=1
[2024-09-13 06:19:34,612 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.09 06:19:34 BoogieIcfgContainer
[2024-09-13 06:19:34,612 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-13 06:19:34,613 INFO  L158              Benchmark]: Toolchain (without parser) took 2408.27ms. Allocated memory is still 169.9MB. Free memory was 97.0MB in the beginning and 109.1MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 06:19:34,613 INFO  L158              Benchmark]: Witness Parser took 0.39ms. Allocated memory is still 169.9MB. Free memory was 128.1MB in the beginning and 127.9MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 06:19:34,613 INFO  L158              Benchmark]: CDTParser took 0.07ms. Allocated memory is still 169.9MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 06:19:34,614 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 332.54ms. Allocated memory is still 169.9MB. Free memory was 96.8MB in the beginning and 137.6MB in the end (delta: -40.7MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB.
[2024-09-13 06:19:34,614 INFO  L158              Benchmark]: Boogie Procedure Inliner took 26.30ms. Allocated memory is still 169.9MB. Free memory was 137.6MB in the beginning and 136.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 06:19:34,614 INFO  L158              Benchmark]: Boogie Preprocessor took 38.96ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 134.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-13 06:19:34,614 INFO  L158              Benchmark]: RCFGBuilder took 356.50ms. Allocated memory is still 169.9MB. Free memory was 134.6MB in the beginning and 122.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-13 06:19:34,615 INFO  L158              Benchmark]: TraceAbstraction took 1646.39ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 109.1MB in the end (delta: 11.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
[2024-09-13 06:19:34,616 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Witness Parser took 0.39ms. Allocated memory is still 169.9MB. Free memory was 128.1MB in the beginning and 127.9MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB.
 * CDTParser took 0.07ms. Allocated memory is still 169.9MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 332.54ms. Allocated memory is still 169.9MB. Free memory was 96.8MB in the beginning and 137.6MB in the end (delta: -40.7MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 26.30ms. Allocated memory is still 169.9MB. Free memory was 137.6MB in the beginning and 136.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 38.96ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 134.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 356.50ms. Allocated memory is still 169.9MB. Free memory was 134.6MB in the beginning and 122.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1646.39ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 109.1MB in the end (delta: 11.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 35]: invariant of correctness witness holds
    For all program executions holds that invariant of correctness witness holds at this location
  - PositiveResult [Line: 15]: procedure precondition always holds
    For all program executions holds that procedure precondition always holds at this location
  - PositiveResult [Line: 15]: procedure precondition always holds
    For all program executions holds that procedure precondition always holds at this location
  - PositiveResult [Line: 18]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 15]: procedure postcondition always holds
    For all program executions holds that procedure postcondition always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 26 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 211 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 115 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 386 SizeOfPredicates, 1 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 29/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    5 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-09-13 06:19:34,646 INFO  L552       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE